## Bri_Durbin one year ago Can someone help me? (medal)

1. Bri_Durbin

2. waterineyes

$\huge ^nP_r = \frac{n!}{(n-r)!}$ $\huge ^nC_r = \frac{n!}{(n-r)! \cdot r!}$

3. Bri_Durbin

um i need the answer lol

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