Homework Help: ALGEBRA

Posted by Demie on Sunday, May 27, 2012 at 7:37pm.

A student is asked to answer 7 out of 13 questions on an exam.

In how many ways can she select the questions to be answered?

ALGEBRA - Reiny, Sunday, May 27, 2012 at 9:15pm
That would simply be
C(13,7)
= 13!/(7!6!)
= 1716

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