1. Set up a triple integral and work it out to find the volume of the
solid bounded by the paraboloids z = x2 + y2 and
z = 9 - (x+1)2 - y2.
2. (a) Set up a triple integral and work it out to find the volume of
a right circular cylinder of radius r and height h.
(b) Set up a triple integral and work it out to find the volume of a sphere of radius r.