Question 981771
1. If c is an even integer and d is an odd integer, which of the following is an even integer?
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3c + d -- 3* even --> even
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d + 4  odd + even --> odd
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7(c + d)  odd + even --> odd.  odd*odd --> odd
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cd + 1  odd*eve --> even.  +1 --> odd
OR
c + 4d even*odd --> even
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