Let U = {q, r, s, t, u, v, w, x, y, z}; A = {q, s, u, w, y};  and  List the elements in the requested set.A ? C

A. {q, s, u, v, w, x, y, z}
B. {v, x, w}
C. {y, z}
D. {w, y}


Answer: D

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