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December 20, 2014

December 20, 2014

Posted by **Demie** on Sunday, May 27, 2012 at 9:57pm.

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

- ALGEBRA -
**MathMate**, Monday, May 28, 2012 at 7:20am11 choose 7 = 11!/(7!4!)

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