Solve the problem.The volume of a box is 3p4 + 25p3 + 28p2. The height is p and the width is p + 7. What is the length?
A. p2 + 4
B. 3p + 4
C. 3p3 + 4p2
D. 3p2 + 4p
Answer: D
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Rewrite the following using radicals; then simplify if possible.7291/3
A. 
= 27
B. 3
= 6561
C. 
= 9
D. 3
= 19,683
Find the x-intercepts of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = 7x2 - x3
A. 0, touches the x-axis and turns around;
, crosses the x-axis;
-
, crosses the x-axis
B. 0, crosses the x-axis;
, crosses the x-axis;
-
, crosses the x-axis
C. 0, touches the x-axis and turns around;
7, touches the x-axis and turns around
D. 0, touches the x-axis and turns around;
7, crosses the x-axis
Solve the equation.3 ? 52t - 1 = 75
A. 
B. 
C. {3}
D. 
Find the expected value.A new light bulb has been found to have a 0.02 probability of being defective. A shop owner receives 500 bulbs of this kind. How many of these bulbs are expected to be defective?
A. 20 B. 100 C. 10 D. 500