Write as an Absolute Value $\sqrt { z ^ { 2 } - 12 z + 36 }$

Multiple Choice

Write as an absolute value.
- $\sqrt { z ^ { 2 } - 12 z + 36 }$

A) z + 6
B) $$\left| z ^ { 2 } - 12 z + 36 \right|$$
C) $| z - 6 |$
D) z - 6