9. [0/2 Points] DETAILS PREVIOUS ANSWERS SCALCET8 15.6.040. Find the mass and center of mass of the solid E with the given density function p. E is bounded by the parabolic cylinder z = 1 - y and the planes x + 3z = 3, x = 0, and z = 0; p(x, y, z) = 7. 112 m = 5 X ( x , 7, Z ) = ( 7,0 , X Need Help? Read It Submit