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.
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Answer:
ENLARGEMENT
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
Not sure if this is accurate but i multiplied everything to get 243/2, 121.5, or 121 1/2
