Can you help me with these four questions. Thank you.

4. [I1 Points] DETAILS SCALCETS 15.8.021.MI. MY NOTES PRACTICE ANOTHER Use spherical coordinates. Evaluate ff (x2 + y2 + 22)2 dV, where Bis the ball with center the origin and radius 1. B 5. [-/1 Points] DETAILS SCALCET8 15.8.023. MY NOTES PRACTICE ANOTHER Use spherical coordinates. Evaluate (x2 + y2) dv, where E lies between the spheres x2 + y2 + z2 = 1 and x2 + y2 + z2 = 4.6. [0/2 Points] DETAILS PREVIOUS ANSWERS SCALCET8 15.8.029. MY NOTES PRACTICE ANOTHER Use spherical coordinates. (a) Find the volume of the solid that lies above the cone (p = 1r/3 and below the sphere p = 20cos((p). 97287: 15 X (b) Find the centroid of the solid in part (a). (REE) =( ) 7. [-/1 Points] DETAILS SCALCET8 15.8.041. MY NOTES PRACTICE ANOTHER Evaluate the integral by changing to spherical coordinates. 10 100 - X2 200 - X2 - 12 xy dz dy dx x2 + yz