Which choice gives the center and radius of the circle represented by the equation? (x-3.5) squared (y-2.4) squared = 8 a: (3.5, 2.4); 2 square root of 2 b: (3.5, 2.4); square root of 2 c: (3.5, 2.4); 2 d: (-3.5, -2.4); 2 square root of 2