Factor the Polynomial Completely $9 - m ^ { 2 }$

Multiple Choice

Factor the polynomial completely. If the polynomial cannot be factored, write "prime."
- $9 - m ^ { 2 }$

A) $( 3 + \mathrm { m } ) ^ { 2 }$
B) $( 3 - m ) ^ { 2 }$
C) (3 - m) (3 + m)
D) Prime