Find the Center (H, K) and Radius R of the Circle

Multiple Choice

Find the center (h, k) and radius r of the circle with the given equation.
- $$x ^ { 2 } - 16 x + 64 + ( y + 3 ) ^ { 2 } = 9$$

A) $( h , k ) = ( 8 , - 3 ) ; r = 3$
B) $( h , k ) = ( - 8,3 ) ; r = 9$
C) $( \mathrm { h } , \mathrm { k } ) = ( - 3,8 ) ; \mathrm { r } = 3$
D) $( h , k ) = ( 3 , - 8 ) ; r = 9$