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Calculate 7C2. A. 21 B. 42 C. 14 D. 9
asked
Jan 4, 2017
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Calculate 7C2.
A. 21
B. 42
C. 14
D. 9
Mathematics
high-school
Contactmatt
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The correct answer is 21.
Lukesrw
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Jan 10, 2017
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Lukesrw
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