Samantha and Luis are attempting to determine the average number of library books that seventh-grade students check out at one time. Samantha surveys every other seventh grade student leaving the library. She samples a total of 40 of the 200 seventh graders. Luis samples 30 of the 200 seventh grade students at random in the school cafeteria. Whose sample is the most random?

Answer:

A

Step-by-step explanation:

Luis because the sample is taken from the population of all seventh graders.

Answer:

The answer is A your welcome ;)

Step-by-step explanation:

IF U GET IT RIGHT YOU GET A BRAINLIEST
Lisa has to spend less than $200.00 on new clothes for spring. She has already spent $125.01 and wants to buy some shirts that are each $20.18. Which of the following inequalities could be used to solve for x, the number of shirts Lisa can buy with the money she has left?

A. $20.18x - $125.01 < $200.00
B. $20.18x < $200.00
C. $20.18x < $125.01
D. $20.18x + $125.01 < $200.00

Which system of equations has an infinite number of solutions?

2x – 6y = 18
x – y = 9
2x – 6y = 18
x + 3y = 9
2x – 6y = 18
x – 3y = 9

The graph below shows the heights and arm spans of several basketball players at a tournament. Height and Arm Span of Students A graph has height (centimeters) on the x-axis and arm span (centimeters) on the y-axis. A trend line has a positive slope. The line goes through points (160, 160) and (170, 170). Based on the graph, which is the best prediction of the arm span of a player that is 202 cm tall? 195 cm 202 cm 210 cm 352 cm

Please help me I will give you the brain thing and extra points. (image below)

Is the simplified form of 2 with a radical of 3 multiplied by 2 with a radical of 6 a rational number?

LAST ONE PLEASE HELP ME

Pleas help in this too!!!!!!

Solve for w. Show your work.
( 36 ÷ 3 )( 2 x 6 ) = w

Which equation is a linear function? (Look at the photo I attached for the choices) please help me I am confused!

Which expression can be used to find the surface area of the following square pyramid?

A. 16+20+20+20+20

B. 16+10+10+10+10

C. 16+20

D. 16+10+10+10

Simplify the expression using the distributive
property.
9(4y-7)

PLS HELP!!! tysmmmm!!

Tina pet sits to earn extra money. She charges a flat service fee of $20, plus $15 per day. If one of her customers spent less than $110, which of the following inequalities could be used to solve for x, the number of days the customer paid for pet sitting?
A. $15x - $20 < $110
B. $15x < $130
C. $15x < $110
D. $15x + $20 < $110

what would x+2y=-2 in slope intercept form?

Please help me I will give you the brain thing and extra points. (image below) 7/30

In 3/5÷3=1/5, the (blank) is 3. what is the blank supposed to be?
a) quotient
b) divider
c) divisor