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Someone please answer !!!!
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Jan 17, 2018
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Someone please answer !!!!
Mathematics
high-school
Neolei
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The answer is c .I hope my answer right
Karl Nosworthy
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Jan 20, 2018
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Karl Nosworthy
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The answer is C
By the way, that expression means "n choose k". Hope I helped!
Spkane
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Jan 21, 2018
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