Please show work and box answer

The second diagram shows the first-quadrant region cut off by the curve x+ y=8. Let S, be the solid obtained by revolving the region about the x- axis, and let S, be the solid obtained by revolving the region about the y- axis. A Set up an a-integral for the volume S, . B. Set up an a integral for the volume S,. Set up a y-integral for the volume S,. D. Select one of the integrals from A, B, C and calculate it