The equation of a circle is :
[tex](x-h)^2+(y-k)^2=r^2[/tex]where (h, k) is the center and r is the radius.
From the problem, the center is at (5, -7) and the radius is 6
So the equation will be :
[tex](x-5)^2+\lbrack y-(-7)\rbrack^2=36[/tex]The answers from left to right is 5, -7 and 36