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OpenStudy (anonymous):
Which of these sets consists entirely of prime numbers? A. 45, 3, 28, 99, 12 B. 43, 37, 12, 13, 51 C. 1, 3, 5, 7, 9 D. 7, 11, 19, 23, 17
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OpenStudy (anonymous):
C and D.
OpenStudy (anonymous):
uhhhh which one :O
OpenStudy (zarkon):
only D.
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