can you do it step by step

9. Do part (a) OR (b). If you do both parts, only part (a) will be graded. Mark clearly, by crossing out any work you do want graded. (3.) Find the mass of the region in space bounded by z = 1:2 + yz, :2 + y2 = 1 and z = 0 and having density 6(z,y, z) 2 22(2:2 + ya). (b) Find the mass of the region above the xy-plane and inside both the cone 45 = 1r / 4 and the sphere p = 2 which has density 6(1,y,z) = z