Suppose three riders rode a total of 240 miles. if they used a total of 16 horses and road each horse the same number of miles how many miles did they ride before replacing each horse

Find the volume of the solid generated when the region bounded by y= x and y= 4√x is revolved about the x-axis the volume of the solid is: (type an exact answer cubic units)

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?