Solve the problem.The parking lot at a grocery store has 72 cars in it. 50% of the cars are two-toned. How many cars are two-toned?
A. 36 cars
B. 14 cars
C. 144 cars
D. 360 cars
Answer: A
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Solve the problem.The graph shows the hours studied and the exam grades obtained on a finite math exam for 8 students. (The two points on the line do not represent any of the eight students.) The line of best fit, the line graphed on the coordinate system, can be used to approximate the test grade the average student receives for the number of hours they study. 
Find the equation of the line of best fit. Then use the equation to estimate a test grade for a student who has studied for 6 hour(s).
A. approximately 96 B. approximately 93 C. approximately 88 D. approximately 91
Solve the problem.The amount of Jen's monthly phone bill is normally distributed with a mean of $72 and a standard deviation of $9. What percentage of her phone bills are between $72 and $81?
A. 47.5% B. 34% C. 68% D. 95%
Use the horizontal line test to determine whether the function is one-to-one.
A. Yes B. No
Change the exponential expression to an equivalent expression involving a logarithm.85/3 = 32
A. log328 = 
B. log832 = 
C. log58 = 
D. 
= 8