Write the Expression in Lowest Terms $\frac { 8 z + 24 } { 3 z + 9 }$

Multiple Choice

Write the expression in lowest terms.
- $\frac { 8 z + 24 } { 3 z + 9 }$

A) $z + 3$
B) $\frac { 8 } { 3 }$
C) $\frac { z + 3 } { z + 9 }$
D) 1