Mathematics, 15.10.2020 17:01, LilDicky

Which pair of numbers is relatively prime? A. 7 and 21
B. 4 and 15
C. 6 and 9
D. 9 and 27

Answers: 3

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Which pair of numbers is relatively prime? A. 7 and 21
B. 4 and 15
C. 6 and 9
D....