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OpenStudy (anonymous):
which of the following is a member of MxN? M={20, 30, 55, 60} ;N={30, 55, 65} A)(20,20) B)(30,30) C)(55,60) D)(30,60)
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OpenStudy (cwrw238):
the correct option contains 1 element from M and (second number) an element from N
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