Use spherical coordinates to find the volume of the solid. The solid between the spheres x2 + y2 + z2 = a2 and x2 + y2 + z2 = b2, b > a, and inside the cone z2 = x2 + y2 Need Help? Read It [-/1 Points] DETAILS LARCALC12 14.7.036. MY NOTES Use spherical coordinates to find the mass of the sphere x2 + y2 + z2 = a with the given density. (Use k as the constant.) The density at any point is proportional to the distance of the point from the z-axis. Need Help? Read It