6. [-11 Points] | DETAILS LARCALC1214.7.034. MY NOTES | ASK YOUR TEACHER Use spherical coordinates to find the volume of the solid. 2 2 2 2 2 The solid between the spheres x + y2 + z = a and x2 + y2 + z2 = b2, b > a, and inside the cone 2 = x + y2 Need Help? 7. [11 Points] DETAILS LARCALC12 14.7.036. MY NOTES | ASK YOUR TEACHER 2 2 Use spherical coordinates to find the mass of the sphere x + y2 + z = a2 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