The region is bounded by y=x^3 and y=x in the first quadrant.

I already found the area, but I'm having trouble with the volume.

First:

A)find the volume rotated around y=2

B) find volume rotated around the y axis

C)the area (1/4) is the base of a solid. There are cross sections perpendicular to the x-axis that are semi circles. Find the volume of the solid.

Help?