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\f(1 point) Evaluate the triple integral z dV where E is the solid bounded by the cylinder y + z = 36 and the planes x = 0, y = 3x and z = 0 in the first octant. 243 80 (1 point) Use a triple integral to find the volume of the solid bounded by the parabolic cylinder y = 7x- and the planes z = 0, z = 9 and y = 9.(1 point) Find the volume of the solid enclosed by the paraboloids z = 25 (x2 + y ) and z = 18 - 25 (x2 + 32)