A composer’s guild is planning its spring concert, and seven pieces have been submitted for consideration. The director of the guild knows that they will only have time to present five of them. If the pieces can be played in any order, how many combinations of pieces are possible?	Choose the correct choice.
A) 40	B) 25	C) 21	D) 27	E) 32
Combination question..   7C5 = 21..   IMO option 21 is correct..
<result>C</result>
A composer’s guild is planning its spring concert, and seven pieces have been submitted for consideration. The director of the guild knows that they will only have time to present five of them. If the pieces can be played in any order, how many combinations of pieces are possible?