Evaluate the exponential expression.(-9)2
A. -18
B. 18
C. -81
D. 81
Answer: D
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Solve the problem.Find the volume of the solid bounded by the elliptical cone 
+ 
= 
and the planes 
and 
(The area of an ellipse with semiaxes a and b is ?ab.)
A. 
? units3
B. 
? units3
C. 
? units3
D. 
units3
Subtract.Subtract 8.563 from 15.410
A. 23.973 B. 6.847 C. 7.047 D. 6.947
Solve the problem.At Bargain Car Rental, the cost of renting an economy car for one day is $19.95 plus 20 cents per mile. At Best Deal Car Rental, the cost of renting a similar car for one day is $24.95 plus 15 cents per mile. Solve the inequality 24.95 + 0.15x < 19.95 + 0.20x to find the range of miles driven such that Best Deal is a better deal than Bargain.
A. x < 10 mi B. x > 10 mi C. x < 100 mi D. x > 100 mi
Multiply and simplify.
? 
A. 
B. 
C. - 
D. - 