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Lady_Fox [76]
3 years ago
9

Solve for r. This is for combinations and permutations.

Mathematics
1 answer:
Sladkaya [172]3 years ago
5 0

Answer:

I'm guessing it could be B or D...I'm not 100% sure.

Step-by-step explanation:

It could be B because 5 can divide 45

It could be D because they are both even numbers.

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