Let A (0,1,2,3,4,5,6, let B (0,1,2,3,4,5,6,7,8), and let R be the relation from A to B given by "the greatest common divisor of a and b is 2." [Note: "greatest common divisor" is sometimes called "highest common factor"] List the elements of R.
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Find the sample space for a committee of two chosen from Alice (A), Bill (B), Carol (C), and David (D). A. { (A, B), (C, D) } B. {A, B, C, D} C. { (A, B), (A, C), (A, D), (B, C), (B, D), (C, D) } D.
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