For any numbers W and Z, WZ=W3 * Z(8-W2) . If both Z and WZ are positive numbers, which of the following could be a value of W ?
(A) 9
(B) 3
(C) 0
(D) -2
(E) -9
(A) 9
(B) 3
(C) 0
(D) -2
(E) -9