9. Evaluate x2 + y2 + z2dV, where B is the ball x2 + y2 + z2

9. x2 + Y2 +z2dV, where B is the ball x2 + Y2 + z2 6. Evaluate Use spherical coordinates. (7 pts.) (x + y)dA , where R is the square 10. Use the given transformation to evaluate with vertices (0,0), (4,6), (6, 4) and (10,2), and x = 4u + 6v,y = 6u 4v. (7 pts.)