Change the Cartesian integral to an equivalent polar integral, and then evaluate.

A. 16807?
B. 117649?
C. 33614?
D. 235298?


Answer: D

Mathematics

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Solve the problem.When going more than 38 miles per hour, the gas mileage of a certain car fits the model  where x is the speed of the car in miles per hour and y is the miles per gallon of gasoline. Based on this model, at what speed will the car average 15 miles per gallon? (Round to nearest whole number.)

A. 149 mph B. 73 mph C. 48 mph D. 98 mph

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Use the given graph to find the x-intercepts.

A. -4, -1 B. -1, 4 C. -4, 1 D. 1, 4

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Find the volume and the surface area of the solid correct to the nearest unit.? ?r? = 4?, ?h? = 8. ? ? The volume is __________ in3. ? The surface area is __________ in2.

What will be an ideal response?

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Solve the quadratic equation by the method of your choice. +  = 

A. {1 - , 1 + }
B. {1 - , 1 + }
C. {-1 - , -1 + }
D. {-1 - , -1 + }

Mathematics