Factor the Polynomial Completely $12 ( a + 13 ) - y ( a + 13 )$

Multiple Choice

Factor the polynomial completely. If the polynomial cannot be factored, write "prime."
- $12 ( a + 13 ) - y ( a + 13 )$

A) prime
B) $( a + 13 ) ( 12 - y )$
C) $( a - 13 ) ( y - 12 )$
D) $( a + 13 ) ( 12 + y )$