Solve the problem.The height h in feet of a frisbee thrown is given by 
, where x is the time traveled in seconds. The frisbee is released at a height of 
At what time will the height of the frisbee be 
again? (Round your answer to the nearest tenth of a second, if necessary.)
A. The height of the frisbee will be 3 feet at 10.1 sec.
B. The height of the frisbee will be 3 feet at 12.5 sec.
C. The height of the frisbee will be 3 feet at 5.1 sec.
D. The height of the frisbee will never be 3 feet again.
Answer: A
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Solve the quadratic equation by completing the square.z2 + 4z - 3 = 0
A. -2 ± 2
B. -2 ± 
C. -1 ± 
D. 2 + 
Find the ratio of the corresponding sides of the given similar triangles. Write the ratio in simplest form.
A. 
B. 
C. 
D. 
Simplify the expression by combining like terms, if possible.6y + y - 12y
A. -5y B. -6y C. -6y + y D. -7y
Solve the problem.During July in Jacksonville, Florida, it is not uncommon to have afternoon thunderstorms. On average, 9.5 days have afternoon thunderstorms. What is the probability that a randomly selected day in July will not have a thunderstorm? Round to two decimal places, if necessary.
A. 0.31 B. 0.69 C. 0.68 D. 0.91