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waterineyes
 one year ago
Best ResponseYou've already chosen the best response.1\[\huge ^nP_r = \frac{n!}{(nr)!}\] \[\huge ^nC_r = \frac{n!}{(nr)! \cdot r!}\]

Bri_Durbin
 one year ago
Best ResponseYou've already chosen the best response.0um i need the answer lol
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