Step-by-step explanation:
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The formula is a permutation in which n represents the sample points in the set, while r represents the number of sample points in each permutation.
First answer is the correct answer
Answer:
7a + 5
Step-by-step explanation:
Distribute using PEMDAS.
Answer:
440
Explanation:
If 50% of the total gum balls are red which is 220, then the other 50% is 220.