Simplify the Following Algebraic Expression and Express Your Answer Using $\frac { y ^ { - 5 } } { y ^ { 7 } }$

Multiple Choice

Simplify the following algebraic expression and express your answer using positive exponents only. $\frac { y ^ { - 5 } } { y ^ { 7 } }$

A) $y ^ { 2 }$
B) $\frac { 1 } { y ^ { 12 } }$
C) $\frac { 1 } { y ^ { 2 } }$
D) $y ^ { 12 }$