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May 28, 2015

Homework Help: Data management

Posted by Jane on Thursday, October 27, 2011 at 6:50pm.

1) consider the number of grid paths from the orgin in a coordinate graph to each of the following points:

a) (4,7) b) (3,7) c) (4,6)

2) simplify: (n-r)! / (n-r+1)!

3) solve (n+2)!/ (n-1)! = 210

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