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Mathematics, 17.05.2021 22:10 TH3L0N3W0LF

Use the combination formula to solve a problem when n = 7 and r = 5. A. 21
B. 42
C. 84
D. 168

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Use the combination formula to solve a problem when n = 7 and r = 5. A. 21
B. 42
C. 84<...

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