math
posted by gary .
1. when z is divided by 8, the remainder is 5. What is the remainder when 4z is divided by 8 ?
2. If n is an integer, which of the following must be odd ?
A. 3n5
B. 3n + 4
C. 4n + 10
D. 4n  5
E. 5n + 7
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