(1)For all S, 10 # S = S # 10
(2)For all S, 10S # 3S = 30S2
A .Statement (1) alone is sufficient to answer the question, but statement (2) alone is not.
B .Statement (2) alone is sufficient to answer the question, but statement (1) alone is not.
C .Both statements together are sufficient to answer the question, but neither statement alone is sufficient.
D .Either statement by itself is sufficient to answer the question.