Simplify.
A. 
B. 
C. 
D. x - 12
Answer: A
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Solve the problem.A ball is thrown vertically upward from the top of a building 128 feet tall with an initial velocity of 112 feet per second. The distance s (in feet) of the ball from the ground after t seconds is 
After how many seconds does the ball strike the ground?
A. 10 sec B. 8 sec C. 129 sec D. 7 sec
The rectangular coordinates of a point are given. Find polar coordinates for the point.(-2, 2.4) Round the polar coordinates to two decimal places, with ? in radians.
A. (-3.12, 0.69) B. (3.12, -0.69) C. (3.12, 0.69) D. (3.12, 2.27)
Set up an equation that can be used to solve the problem. Solve the equation and answer the question asked. Melita Zuba made a $700,000 cash contribution to two charities, the American Brain Tumor Association and the National Brain Tumor Foundation. The amount received by the National Brain Tumor Foundation was 30% greater than the amount received by the American Brain Tumor Association. How much did the American Brain Tumor Association receive?
A. $304,347.83 B. $538,461.54 C. $700,000 D. $395,652.17
Perform the indicated operation.15.6 ÷ 5.2
A. 0.3 B. 4 C. 3.0 D. 30