calculas

(30 points) Find the volume of the given solid (i) Bounded by the cylinder x2 + yz = 4 and the planes z = 0 and y + z = 3. (ii) Bounded above by the paraboloid z = x2 + y and below by the half-cone Z = Vx2+y2. (iii) The tetrahedron with vertices (0,0,0), (0,0,1), (0,2,0), (0,0,2)