7. (12 pts) Set up ( do not evaluate) a triple integral in spherical coordinates to find the volume of a solid bounded by the sphere x2 + V2 +12 = 4z and the cone z-vFT . 8. (13 pts) Compute (y-z)3(y+1)4 dz dy where Ris the region bounded by y = z, y= R y=-z, and u=-z+1.