Answers

Answer 1

¿ ? ¿ ? Whattttt ? ¿ ? ¿

Answer 2

Answer: What

Explanation:


Related Questions

Discusstheimportanceofbackingupdatainorganizations,pointingoutthebenefits
ofcloudbackupoption​

Answers

Addition helps kids master the relationships between numbers and understand how quantities relate to one another. Even when kindergartners can't reliably answer addition problems or manipulate large numbers, basic addition skills give them a framework for mastering math in elementary schoo

Which of the following enables robots to do things such as understand itself, walk, talk, and develop skills?
Group of answer choices

self-modeling

gigabit ethernet

political awareness

social distancing

binary verificationism

Answers

Answer:

self-modeling

Explanation:

Robots, which are man-made machines which mimics the actions of man like walking, talking, rendering assistance are part of the future plans to make the society easier. It was mans' attempt to improve the society but still happens to be work in progress.

For the robots to be able to carryout its function, there is need for it to be self modelling in the sense of initiating and executing the commands which was already programmed into it. For example, telling it to walk will be initiated by him as a command, after processing the command, it will execute it without any other information.

which service is a major commercial cloud platform?
a. Microsoft SQL Services
b. SAP Cloud Services
c. Amazon Web Services
d. Oracle Enterprise Services

Answers

Answer: Amazon Web Service

Explanation:

The service that's a major commercial cloud platform is the Amazon Web Service.

Amazon Web Services offers global cloud based products which include databases, storage, networking, IoT, developer tools, analytics, mobile, develo management tools, security applications etc.

The services are of immense benefit to organizations as they help them in achieving their goals as it helps in lowering IT costs, increase speed, enhance efficiency and revenue.

Three reasons why users attach speakers to their computers.

Answers

Answer:

Iv'e answered this question 2 times already lol. The purpose of speakers is to produce audio output that can be heard by the listener. Speakers are transducers that convert electromagnetic waves into sound waves. The speakers receive audio input from a device such as a computer or an audio receiver.

Explanation: I hope this helps!

Question 4
What methods do phishing and spoofing scammers use? List and explain methods to protect
against phishing and spoofing scams. (10 marks​

Answers

Answer:

The answer is below

Explanation:

There are various methods of phishing and spoofing scammers use, some of which are:

Phishing:

1. Descriptive phishing: here the scammer use fake email to pretend to be a genuine company and steal people's vital details

2. Spear Phishing: here the scammer creates an email that appears there is a connection on the potential victim

3. CEO Fraud: here the scammer target CEO of a company, thereby if successful can fraudulently attack the company due to his access.

Other phishing attacks are vishing, smishing, and pharming, etc.

Spoofing:

1. Email spoofing: here the attacker sends an email through a fake email address to get personal details of a potential victim

2. Caller ID Spoofing: here the attacker makes it appear that he is one specific person, but he is not in the real sense.

3. GPS Spoofing: here the attacker makes it appear he is in a specific location, whereas, he is not.

Others include website spoofing, text message spoofing, Io spoofing etc.

The city of Green Acres is holding an election for mayor. City officials have decided to automate the process of tabulating election returns and have hired your company to develop a piece of software to monitor this process. The city is divided into five precincts. On election day, voters go to their assigned precinct and cast their ballots. All votes cast in a precinct are stored in a data file that is transmitted to a central location for tabulation.

Required:
Develop a program to count the incoming votes at election central.

Answers

Answer:

Explanation:

The following program asks the user to enter the precinct number and then loops to add votes until no more votes need to be added. Then it breaks the loop and creates a file called results to save all of the results for that precinct.

precinct = input("Enter Precinct Number: ")

option1 = 0

option2 = 0

while True:

   choice = input("Enter your vote 1 or 2: ")

   if int(choice) == 1:

       option1 += 1

   else:

       option2 += 1

   endVote = input("Vote again y/n")

   if endVote.lower() != 'y':

       break

f = open("results.txt", "w")

f.write("Precinct " + precinct + ": \nOption 1: " + str(option1) + "\nOption 2: " + str(option2))

What is the first thing you should do when you discover a computer is infected with malware? The second thing?

Answers

Answer:

Quarantine the computer.

Explanation:

Malware can be characterized with negative software capable of causing various damages to a computer, such as theft of data and information, in addition to damage to devices.

In order to avoid having your computer infected with malware, it is essential to have installed reliable malware-checking software, in addition to taking all appropriate security measures when accessing the internet and never clicking on unknown or suspicious links.

Therefore, when realizing that the computer has been infected by malware, it is necessary to quarantine the computer and immediately disconnect from a network so that it does not infect other computers. The quarantine acts as an action where the infected file is moved to an encrypted folder where the malware cannot be executed and spread by the operating system.

How can the adoption of a data platform simplify data governance for an organization?

Answers

Answer:

by implementing models that predict compliance with data protection and data privacy policies.

Explanation:

A data platform is an IT system that helps an organization to organize, control and coordinate a large volume of data with the aim of making organizational systems faster and optimizing the decision-making process with effective strategic solutions for organizational success .

A database can simplify data governance for an organization by the fact that data is available to users determined by the organization itself, which increases the security and control of business-critical data.

For this lab you will write a class to create a user-defined type called Shapes to represent different shapes, their perimeters and their areas. The class should have three fields: shape, which is of type string, and perimeter and area of type double. The program will have to be able to calculate perimeters and areas for circles, triangles, squares and rectangles, which are the known shapes.
2.1 Constructors
Write these constructors:
1. Default constructor that sets the shape to "unknown" and the perimeter and area to 0
2. Constructor with one parameter, shape, that sets the shape, other fields are 0
2.2 Accessors & Mutators
Write the following member methods:
1. setShape()
Modifies the shape field
2. getShape()
Returns the shape field
3. getPerimeter()
Returns the perimeter field
4. getArea()
Returns the area field
Arithmetic Methods in Interface
Write the following member methods to perform arithmetic:
1. setPerimeter(Scanner scnr)
Depending on the shape, prompts the user for appropriate variables (ie width & height for a square, radius for a circle, etc.) and calculates the perimeter of the appropriate shape. The perimeter field should be updates with the new value. If the shape is unknown, then print to the screen that the user must first define a shape before a perimeter can be calculated and set the perimeter to 0.
2. setArea(Scanner scnr)
Depending on the shape, prompts the user for appropriate variables (ie width & height for a square, radius for a circle, etc.) and calculates the area of the appropriate shape. The area field should be updates with the new value. If the shape is unknown, then print to the screen that the user must first define a shape before an area can be calculated and set the area to 0.
2.3 Additional Methods
Create two additional methods of your choice. Be sure to clearly label both of these methods as your own.
2.4 Using another .java file called ShapesTest.java that tests that all of your methods work correctly

Answers

Answer:

========= Shape.java  ===========

//import the Scanner class

import java.util.Scanner;

public class Shape{

   //required fields

  private String shape;

   private double area;

   private double perimeter;

   //default constructor

  public Shape(){

       this.shape = "unknown";

       this.area = 0.0;

       this.perimeter = 0.0;

   }

   //constructor with one parameter

   public Shape(String shape){

       this.setShape(shape);

       this.area = 0.0;

       this.perimeter = 0.0;

   }

   //accessors and mutators

  public void setShape(String shape){

       this.shape = shape;

   }

  public String getShape(){

       return this.shape;

   }

   public double getPerimeter(){

       return this.perimeter;

   }

  public double getArea(){

       return this.area;

   }

  public void setPerimeter(Scanner scr){

       if(this.getShape().equals("circle")){

           System.out.println("Enter the radius of the circle");

           double radius = scr.nextDouble();

           this.perimeter = 2 * 3.142 * radius;

       }

       else if(this.getShape().equals("rectangle")){

           System.out.println("Enter the width");

           double width = scr.nextDouble();

           System.out.println("Enter the height");

           double height = scr.nextDouble();

           this.perimeter = 2 * (width + height);

       }

       else if(this.getShape().equals("square")){

           System.out.println("Enter the height or width");

           double height = scr.nextDouble();

           this.perimeter = 4 * height;

       }

       else if(this.getShape().equals("unknown")){

           System.out.println("You must define a shape first before calculating perimeter");

           this.perimeter = 0.0;

       }

       else {

           System.out.println("You must define a shape first before calculating perimeter");

           this.perimeter = 0.0;

       }

   }

   public void setArea(Scanner scr){

       if(this.getShape().equals("circle")){

           System.out.println("Enter the radius of the circle");

           double radius = scr.nextDouble();

           this.area = 3.142 * radius * radius;

       }

       else if(this.getShape().equals("rectangle")){

           System.out.println("Enter the width");

           double width = scr.nextDouble();

           System.out.println("Enter the height");

           double height = scr.nextDouble();

           this.area = width * height;

       }

       else if(this.getShape().equals("square")){

           System.out.println("Enter the height or width");

           double height = scr.nextDouble();

           this.area = height * height;

       }

       else if(this.getShape().equals("unknown")){

           System.out.println("You must define a shape first before calculating area");

           this.area = 0.0;

       }

       else {

           System.out.println("You must define a shape first before calculating area");

           this.area = 0.0;

       }

   }

   //Own methods

   //1. Method to show the properties of a shape

   public void showProperties(){

       System.out.println();

       System.out.println("The properties of the shape are");

       System.out.println("Shape : " + this.getShape());

       System.out.println("Perimeter : " + this.getPerimeter());

       System.out.println("Area : " + this.getArea());

   

   }

   //2. Method to find and show the difference between the area and perimeter of a shape

   public void getDifference(){

       double diff = this.getArea() - this.getPerimeter();

       System.out.println();

       System.out.println("The difference is " + diff);

   }

}

========= ShapeTest.java  ===========

import java.util.Scanner;

public class ShapeTest {

   public static void main(String [] args){

       Scanner scanner = new Scanner(System.in);

       // create an unknown shape

       Shape shape_unknown = new Shape();

       //get the shape

       System.out.println("The shape is " + shape_unknown.getShape());

       //set the area

       shape_unknown.setArea(scanner);

       //get the area

       System.out.println("The area is " + shape_unknown.getArea());

       //set the perimeter

       shape_unknown.setPerimeter(scanner);

       //get the perimeter

       System.out.println("The perimeter is " + shape_unknown.getPerimeter());

       // create another shape - circle

       Shape shape_circle = new Shape("circle");

       //set the area

       shape_circle.setArea(scanner);

       //get the area

       System.out.println("The area is " + shape_circle.getArea());

       //set the perimeter

       shape_circle.setPerimeter(scanner);

       //get the area

       System.out.println("The perimeter is " + shape_circle.getArea());

       //get the properties

       shape_circle.showProperties();

       //get the difference between area and perimeter

       shape_circle.getDifference();

   }

}

Sample output:

The shape is unknown

You must define a shape first before calculating area

The area is 0.0

You must define a shape first before calculating perimeter

The perimeter is 0.0

Enter the radius of the circle

>> 12

The area is 452.448

Enter the radius of the circle

>> 12

The perimeter is 452.448

The properties of the shape are

Shape : circle

Perimeter : 75.408

Area : 452.448

The difference is 377.03999999999996

Explanation:

The code above is written in Java. It contains comments explaining important parts of the code. Please go through the code for more explanations. For better formatting, the sample output together with the code files have also been attached to this response.

Which language paradigm interacts well with database systems in business environments that use SQL? (I WILL GIVE BRAINLIEST TO THE RIGHT ANSWER

aspect-oriented
data-oriented
fourth-generation
logic-based

Answers

Answer:

I think it is fourth-generation.

Explanation:


State
any three (3) reasons why users attach speakers to their computer?

Answers

Answer:

To complete the computer setup, to hear audio, to share audio.

Explanation:

A computer is not really complete without speakers.

So that you can actually hear the computer's audio.

So that you can have multiple people hear the same audio. (Headphones do not do this)

what is the determinant of the identity matrix I?​

Answers

Answer:

Explanation:

The ith column of an identity matrix is the unit vector ei (the vector whose ith entry is 1 and 0 elsewhere) It follows that the determinant of the identity matrix is 1, and the trace is n. When the identity matrix is the product of two square matrices, the two matrices are said to be the inverse of each other.

Which item can you add using the tag?
OA.
a movie
OB.
an image
OC.
a documentary
OD.
a music file

Answers

Answer:

The answer to this would be D: A music file

Explanation:

Since this tag is is <audio>, all of the other ones are visual and have sound. This means that a tag would need to be able to display visuals as well. Making a music file the only item you would be able to include with the given tag.

IPSec or internet Protocol Security is an extension of the Internet Protocol. What does IPSec use to provide network security?

Answers

Answer:

In computing, Internet Protocol Security ( IPSec ) is a secure network protocol suite that authenticates and encrypts the packets of data to provide secure encrypted communication between two computers over on internet protocol network. It is used in virtual private networks ( VPNs ).

help asapp!!!!!! give the technical name means (write the name in one word) . the feature of virus which copies itself..​

Answers

Answer:

if a computer is made out of many copies it can cause a virus with a definition of a tro Jan by a virus

Explanation:

what follows is a brief history of the computer virus and what the future holds for this once when a computer is made multiple copies of it's so several reducing malicious intent here but animal and prevade fit the definition of a Trojan buy viruses worms and Trojans paint the name Malwar as an umbrella term

What are some examples and non-examples of digital etiquette?

Answers

Answer:

saying hello to strangers and standing up to cyber bullies

using all caps. cyber bullying. cursing. stalking

dont download that file

els
2.4
The SPCA receives an amount of R8 500 per annum from an undisclosed
donor. The amount has been growing at a rate of 7.5% per annum
IE
REQUIRED
Calculate how much the donor must have invested as a lump sum to be able
to continue with these payments indefinitely.
(2)​

Answers

Answer:

ds2d2d2d2dd

Explanation:

Phone numbers and PIN codes can be easier to remember when you find words that spell out the number on a standard phone keypad. For example, instead of remembering the combination 2633, you can just think of CODE. Write a recursive function that, given a number, yields all possible spellings (which may or may not be real words).

Answers

Answer:

Explanation:

The following is written in Python and the code first creates a simulated keypad with all the characters. Then the function detects the number passed as an input argument and outputs all the possible spelling combinations.

keypad = {

   '2': 'abc',

   '3': 'def',

   '4': 'ghi',

   '5': 'jkl',

   '6': 'mno',

   '7': 'pqrs',

   '8': 'tuv',

   '9': 'wxyz',

}

def word_numbers(number):

 number = str(number)

 wordList = ['']

 for char in number:

   letters = keypad.get(char, '')

   wordList = [prefix+letter for prefix in wordList for letter in letters]

 return wordList

web analytics can tell you many things about your online performance, but what can analytics tools not tell you​

Answers

Answer:

The answer is below

Explanation:

While web analytics such as Góogle analysts is known to help online marketers to map out a clear strategy and thereby improve their outreach, there are still some specific things the current web analytics can not do for the user. For example:

1. Web Analytics can’t accurately track leads

2. Web Analytics can’t track lead quality

3. Web Analytics can’t track the full customer journey

4. Web Analytics can’t highlight the true impact of payment.

Which best describes the possible careers based on
these employers?
Yoshi worked in Logistics Planning and Management
Services, Dade worked in Sales and Service, Lani
worked in Transportation Systems/Infrastructure
Planning, Management, and Regulation, and Miki
worked in Transportation Operations.
Yoshi worked in Transportation Operations, Dade
worked in Logistics Planning and Management
Services, Lani worked in Sales and Service, and Miki
worked in Transportation Systems/Infrastructure
Planning, Management, and Regulation
Yoshi worked in Health, Safety, and Environmental
Management, Dade worked in Transportation
Operations, Lani worked in Facility and Mobile
Equipment Maintenance, and Miki worked in
Warehousing and Distribution Center Operations.

Answers

Answer:

It's c bodie I'm fr on this question rn lol

Answer:

the guy above is right, its c

Explanation:

edge 2021

what is the relationship between a base and the number of symbols in a positional number system​?

Answers

Answer:

the value of a symbol is given by the weight of it's position expressed in the bases of the system (or radices)

Consider a model of a drone to deliver the orders of the customers within the range of 20 km of the coverage area.

Identified at least 5 factors (inputs) required to experiment with the above mention system model (e.g. speed of the drone).


Write down the levels (range or setting) for each factor mentioned above. (e.g. speed ranges from 10km/h to 30km/h).


On what responses (results) will you analyses the experiment’s success or failure (e.g. drone failed to deliver the package on time), mention at least 3 responses

Answers

Answer:

Explanation:

suna shahani kesa a ..

8.9 Lesson Practice edhesive

Answers

Answer:

1. search

2. False

3. Our algorithm did not find the element we were looking for.

Explanation:

Explain what an IM is, and what is the technology shown in the accompanying figure

Answers

Answer: Instant Message

Explanation:

Answer:the technology that is shown is a ch't rooms, a website or application that permits users to ch't with others who are online at the same time. as you type others can see what you type may i get brainiest plz

Explanation:

Cuál es el objetivo principal de una clave primaria?

Answers

La clave principal le permite crear un identificador único para cada fila de su tabla. Es importante porque le ayuda a vincular su tabla a otras tablas (relaciones) utilizando la clave principal como vínculos.

why do we need to settle technology in business?​

Answers

Answer:

Technology has important effects on business operations. No matter the size of your enterprise, technology has both tangible and intangible benefits that will help you make money and produce the results your customers demand. Technological infrastructure affects the culture, efficiency and relationships of a business.

For two integers m and n, their GCD(Greatest Common Divisor) can be computed by a recursive function. Write a recursive method gcd(m,n) to find their Greatest Common Divisor. Once m is 0, the function returns n. Once n is 0, the function returns m. If neither is 0, the function can recursively calculate the Greatest Common Divisor with two smaller parameters: One is n, the second one is m mod n. Although there are other approaches to calculate Greatest Common Divisor, your program should follow the instructions of this question, otherwise you will not get the credit. Then write a testing program to call the recursive method.

Answers

Answer:

In Python:

def gcd(m,n):

if n == 0:

 return m

elif m == 0:

    return n

else:

 return gcd(n,m%n)

Explanation:

This defines the function

def gcd(m,n):

If n is 0, return m

if n == 0:

 return m

If m is 0, return n

elif m == 0:

    return n

If otherwise, calculate the gcd recursively

else:

 return gcd(n,m%n)

To call the function to calculate the gcd of say 15 and 5 from main, use:

gcd(15,5)

Write a C++ function for the following:
Suppose that Account class has a method called withdraw, which will be inherited by Checking and Savings class. The withdraw method will perform according to account type. So, the late bind is needed. Declare the withdraw method in Account class. The method should take a double input as withdraw amount and output true if the withdraw successfully and false if the withdraw unsuccessfully.

Answers

Solution :

class Account

[tex]$ \{ $[/tex]

public:

[tex]$\text{Account}()$[/tex];

double [tex]$\text{getBalance}$[/tex]();

void [tex]$\text{setBalance}$[/tex]();

[tex]$\text{bool withdraw}$[/tex](double bal);

[tex]$\text{private}:$[/tex]

double [tex]$\text{balance}$[/tex];

}:

[tex]$\text{Account}()$[/tex] {}

double [tex]$\text{getBalance}$[/tex]()

[tex]$ \{ $[/tex]

[tex]$\text{return balance}$[/tex];

}

void [tex]$\text{setBalance}$[/tex](double [tex]$\text{balance}$[/tex])

[tex]$ \{ $[/tex]

this.[tex]$\text{balance}$[/tex] = [tex]$\text{balance}$[/tex];

}

[tex]$\text{boolean}$[/tex] withdraw([tex]$\text{double bal}$[/tex])

[tex]$ \{ $[/tex]

if([tex]$\text{balance}$[/tex] >= bal)

[tex]$ \{ $[/tex]

[tex]$\text{balance}$[/tex] = [tex]$\text{balance}$[/tex] - bal;

[tex]$\text{return}$[/tex] true;

}

[tex]$\text{return}$[/tex] false;

}

}

The following Mic1 microcode excerpt shows support for a possible 7 bit opcode, 8 bit integer argument machine instruction (organized like the INSP instruction). This part of the microcode will be reached after the instruction opcode has been parsed and identified by earlier parts of the microcode and while the IR contains the complete instruction from memory (as usual for the IR).

100:a := band(smask, ir);
101:a := a + (-1); if n goto 0;
102:ac := lshift(ac); if n goto 104;
103:goto 101;
104:ac := ac + 1; goto 101;
If this possible instruction had a masm assembly pneumonic of XXXX , and was used in an assembly program as shown below:

.
.
LODD abc:
XXXX 7
HALT
.
.
abc: "lost"

What would the 16 bit content of the AC look like when we hit the HALT instruction?

a. 1 0 1 1 0 1 1 0 0 0 1 1 0 1 1 1
b. 0 1 1 0 1 1 1 1 0 1 1 0 1 1 0 0
c. 0 1 1 0 1 1 0 0 0 1 1 0 1 1 1 1
d. 0 0 1 1 0 1 1 1 1 0 1 1 0 1 1 0

Answers

Answer:

The answer is "Option A".

Explanation:

In the first 2 signatures in a string, the "ol" with both the "l" throughout the low byte environment is included, and so the initial bit layout becomes: Number of [tex]0 1 1 0 1 1 1 1 0 1 1 0 1 1 0 0[/tex] Its high 7 bits are moved to the lower 7 having come until the correct circular change of 7 is done:

[tex]0 1 1 0 1 1 1 1 0 1 1 0 1 1 0 0 \ \ \ to \ \ 1 0 1 1 0 1 1 0 0 0 1 1 0 1 1 1[/tex]

In which category would Jamal most likely find an appropriate template for his report?

Designs
Diagrams
Education
Personal

Answers

Answer:

Education

Explanation:

Other Questions
You want to wrap the box with a square piece of wrapping paper with a side length of 24 inches. Do you have enough paper to wrap the entire box? Explain. Which sentence uses a comma correctly?Select one:After the Kesha concert which had all kinds of confetti and glitter bombs I couldnt get the glitter out of my hair, for a week!After the Kesha concert, which had all kinds of confetti and glitter bombs, I couldnt get the glitter out of my hair for a week!After the Kesha concert which had all kinds of confetti and glitter bombs I couldnt get the glitter, out of my hair, for a week!After, the Kesha concert, which had all kinds of confetti and glitter bombs, I couldnt get the glitter out of my hair for a week! Las entregas de premios, por lo general, son eventos _. why does the warrior want to return the temple cat add the detail to the chartA. Cat does not have sharp teethB. The cat needed by the wise manC. The cat harms an important helmet How was the effect of imperialism on Latin America similar to its effect onChina?A. Latin America was commercially dominated by the United States.Similarly, China's economy was controlled by Japan and othercountries.B. Latin America became a major imperial power, conquering muchof Europe. Similarly, China colonized almost every country inAfrica.C. Latin America became the most important colony of the BritishEmpire. Similarly, China became one of the most importantcolonies of France.D. Latin America colonized Japan, establishing economic control.Similarly, China established commercial control over countries inthe Caribbean. The Monsters are Due on Maple Street" will not have a plot.True or false pls help solve this math problem In present day crime scene documentation, _____.Narrated videotaping can replace photography completely.Narrated videotaping can be edited and therefore is not acceptable evidence.Narrated videotaping can replace note taking and photography completely.Narrated videotaping should not replace note taking and photography completely, but rather be used alongside them. Organism #1 is found in extreme heat inside of a volcano and is a prokaryote because it has no nucleus. This specimen reproduces asexually. The Domain it would be classified as _______ and its Kingdom would be ________.Fill in the blanks. To rent some equipment from a local hardware store, it costs $65 for 8 hours. To rent it for 12 hours, it costs $85. If the rate of change is constant, find the rate of change (cost per hour). list five things you make comments on while reading any text Read the section "Who Controls The Narrative?" Which sentence explains what the portraits of Black Civil War soldiers represent? (A) Willis points out that the history of the lives of Black soldiers was erased with racism in the years that followed. (B) "Black and white historians spent decades researching and publishing on this era." (C) "As soon as they were given uniforms, many posed holding their weapons." (D) "The visual narrative suggests their commitment to fight for freedom for all bonded people." summary of alice in the wonderland 100 POINTS!!!!!has to include; The title of your novel.The main characters.The main conflict.As much as of the plot as you can: setting, rising action, climax, falling action, resolution What show is Chris's attitude toward injustice that begin when he was in college? Keats eventually gave up a medical career for one in literature.TrueFalse WILL NAME BRAINLIST PLEASEUse the table to write a linear function that relates y to x . PLEASE NO HACKERSy= Write an inequality for this statement . ( you do not have to solve) Miguel is planning on going to the arcade with $17.60 in his pocket. It will cost him $8 to get there and get home by a taxi . If all games cost 25 cents . Write and solve an inequality to show the number of games he can play. Work out the temperature I NEED HELPP PLS!!!!!!!!!!!!!!!!!!! a theater has 49 seats in the first row, 52 seats in the second row, 55 seats in the third row, and so on. how many seats are there in row 20