which of these is a feature of audible pedestrian crosswalk signals? pedestrian tracking directional beacons responses to voice commands emergency instructions

PLEASE HELP QUICK! Determine x value of: sqrt x + 8 - sqrt x - 4 = 2 Tesco was forced to restate its earnings for the first half of 2014 to 431 million USD because senior managers in the UK food business had booked income early and delayed the booking of costs in order to improve appearances of financial performance. This scandal results from ____________ and __________. How do the frequencies of the waves compare?O Wave A has a lower frequency because it has asmaller amplitude.O Wave A has a higher frequency because it has ashorter wavelength.The waves have the same frequency because theyhave the same wavelength.O The waves have the same frequency because theyhave the same amplitude. Darwin Inc. sells a particular textbook for $20. Variable expenses are $14 per book. At the current volume of 50,000 books sold per year the company is just breaking even. Given these data, the annual fixed expenses associated with the textbook total: Consider the reaction below.NH4 + H20 - NH3 + H30"Which is an acid-conjugate base pair?O NHA and NH3O NH4" and H30*O H20 and NH3O H20 and H20" Maya is interning at a law firm over the summer and is paid by the hour. If her hourly wage is $52, which equation represents the proportional relationship between the wages she earns (w) and the number of hours (h)? A pharmaceutical company is working on a drug to slow the spread of Ebola. Which of the following should be the company's focus?a. Sanitizing the drinking waterb. Protecting the food supplyc. Person-to-person contactd. Killing the insect vector An annual salary is $45000. His tax free allowances total $13000. He has to pay a tax of 20% on his taxable income.The tax payable is? 1. A test-tube has a diameter of 3cm. How many turns would a piece of thread of length90.42cm make round the test tube. (Taken= =).(3marks) . Identify each of the following as (i) part of an expansionary fiscal policy, (ii) part of a contractionary fiscal policy, or (iii) not part of fiscal policy. a. The personal income tax rate is lowered. b. Congress cuts spending on defense. c. College students are allowed to deduct tuition costs from their federal income taxes. d. The corporate income tax rate is lowered. e. The state of Nevada builds a new tollway in an attempt to expand employment and ease traffic in Las Vegas. A square and a regular heptagon are coplanar and share a common side $\overline{AD}$, as shown. What is the degree measure of exterior angle $BAC$? Express your answer as a common fraction. plzzzzz helpp j + 9 - 3 < 8 9/10 of the weight of a loaf of bread comes from the flour used in its baking. 2/9 of the weight is the protein what fraction of the weight is protein? You are testing the claim that the mean GPA of night students is greater than the mean GPA of day students. You sample 30 night students, and the sample mean GPA is 2.36 with a standard deviation of 0.96 You sample 60 day students, and the sample mean GPA is 2.19 with a standard deviation of 0.66 Calculate the test statistic, rounded to 2 decimal places Which of these statements correctly expresses a similarity between ancientIndia and ancient China? convert the equation y= -4x + 2/3 into general form equation and find t the values of A,B and C. two resistors of resistance 10 ohm's and 20 ohm's are connected in parallel to a batery of e.m.f 12V. Calculate the current passing through the 20hm's resister Pls solve ASAP!! Review the attachment and solve. Pls hurry! How did the Catholic Church respond to the Scientific Revolution? A. The church didnt accept the theories put forth by scientists and held on to their beliefs. B. The church accepted and promoted the theories and findings put forth by the scientists. C. The church funded the scientists so that they could prove more scientific theories. D. The church didnt fund the scientists but quickly accepted their theories and findings. The table below lists some of the characteristics of the houses on Katrinas street. Characteristics of Homes For Sale on Katrinas Street Bedrooms Acres of land Sale price Appraised value Property tax 2 0.17 $230,000 $200,000 $1,220 2 0.20 $210,000 $220,000 $1,232 3 0.20 $275,000 $250,000 $1,400 4 0.24 $275,000 $275,000 $1,540 4 0.52 $360,000 $310,000 $1,736 4 0.75 $350,000 $320,000 $1,792 5 1.23 $375,000 $350,000 $1,960 Which relationship describes a function?