Answer:
The center is (9,4) and the radius is 6
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-9)^2 + (y-4)^2 = 36
(x-9)^2 + (y-4)^2 = 6^2
The center is (9,4) and the radius is 6