Answer:
The center is at (6,-5) and the radius is 15
Step-by-step explanation:
We can write the equation of a circle as
(x-h)^2 + (y-k) ^2 = r^2 where (h,k) is the center and r is the radius
(x - 6)^2 + (y + 5)^2 = 15^2
(x - 6)^2 + (y - -5)^2 = 15^2
The center is at (6,-5) and the radius is 15