Divide Leave Your Answer in Exponent Form $\frac { a ^ { 9 } } { a }$

Multiple Choice

Divide. Leave your answer in exponent form. Assume that all variables in any denominator are nonzero.
- $\frac { a ^ { 9 } } { a }$

A) $a ^ { 9 } - a$
B) $a ^ { 8 }$
C) $a 10$
D) 9