Solve the problem.A rock falls from a tower that is 83.3 m high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground (h=0)?
A. 1,400 s
B. 8.9 s
C. 9.1 s
D. 4.1 s
Answer: D
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The perimeter of a plane figure is the total distance around the figure. Find the perimeter of the figure.
A. 
miles
B. 7 miles
C. 
miles
D. 
miles
Simplify the expression. Assume that all variables are positive when they appear.4
- 3
A. 24
B. 0
C. 12
- 3
D. cannot simplify
Solve the problem.A traffic engineer is counting the number of vehicles by type that turn into a residential area. The table below shows the results of the counts during a four-hour period. What is the probability that the next vehicle passing is an SUV? 
A. 20.19% B. 33.44% C. 32.41% D. 31.94%
Perform the indicated operation. Write the answer in simplest form. If the answer is an improper fraction, write it as a mixed number.-4
? 
A. 22
B. 14
C. - 22
D. - 14