Write the percent problem as a proportion and solve.50 is what percent of 40?
A. 1.25%
B. 80%
C. 130%
D. 125%
Answer: D
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Solve the problem.Find the volume of the region that lies inside the sphere 
and outside the cylinder 
A. 
B. 
C. 
D. 
Answer the question or complete the sentence to make a true statement.The sum of three negative numbers will always be a number.
A. Negative B. Positive
Write the number in scientific notation.856.75
A. 8.5675 x 102 B. 8.5675 x 10-1 C. 8.5675 x 101 D. 8.5675 x 10-2
Solve the problem.The length a spring is stretched from its natural length with work, W
is given by L = 
where k is a constant for the given spring. If a certain spring has a constant of 65.7, and the spring is to be stretched 2.6 feet from its natural length, how much work will be necessary? Round to the nearest tenth of a foot-pound.
A. 444.1 foot-pounds B. 85.4 foot-pounds C. 222.1 foot-pounds D. 53 foot-pounds