$9.$ Set up but do not evaluate the triple integral in spherical coordinates representing the moment of inertia about the

z$-$axis of the solid bounded inside the sphere x$?+$ y$?+$ z$2=16$ and above the cone $2=-$

x$2+$ y$2$ having a

$(12$ pts$)$

density at any point that is $3$ times the distance of the point from the origin.