1. The problem statement, all variables and given/known data Find the volume bounded by sphere rho = rt. 6 and the paraboloid z = x^2 + y^2 and locate the centroid of this region The attempt at a solution http://www.mathhelpforum.com/math-help/latex2/img/4deb41286077aabd94b30802f0e6a68a-1.gif [Broken] So Thats the integral that I made for this problem, but I'm having trouble integrating it. the rdr throws it off. Please Help~! I am having some trouble.