# 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. 3n-5

B. 3n + 4

C. 4n + 10

D. 4n - 5

E. 5n + 7