Evaluate p(5, 2)

20
60
240
10

P(5,2) =  n! /(n-r)!

n = 5, r = 2:

= (5 x 4 x 3 x 2 x 1 ) /  3 x 2 x 1

Cancel out common factors:

= 5 x 4 = 20

The answer is 20.

12 servings. 4 times 3= 12

step-by-step explanation:

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