Give the Coordinates of the Circle's Center and Its Radius $$x ^ { 2 } + y ^ { 2 } - 64 = 0$$

Multiple Choice

Give the coordinates of the circle's center and its radius.​ $$x ^ { 2 } + y ^ { 2 } - 64 = 0$$ ​

A) (1,1) ;r = 64
B) (0,0) ;r = 8
C) (1,1) ;r = 8
D) (0,0) ;r = 64
E) none of these