Find the Center and Radius of the Sphere $$x ^ { 2 } - 4 x - 24 + y ^ { 2 } + 16 y + z ^ { 2 } - 12 z = 0$$

Multiple Choice

Find the center and radius of the sphere. Select the correct answer.
$$x ^ { 2 } - 4 x - 24 + y ^ { 2 } + 16 y + z ^ { 2 } - 12 z = 0$$

A) $C ( - 1 , - 8 , - 9 ) , r = \sqrt { 2 }$
B) $C ( 1 , - 8 , - 9 ) , r = 4$
C) $C ( - 1 , - 8 , - 9 ) , r = 4 \sqrt { 2 }$
D) $C ( - 1 , - 8 , - 9 ) , r = 4$
E) none of these