ok
[tex]\begin{gathered} \text{ x}^2+y^2\text{ - 22x + 24y - 9 = 112} \\ \text{ x}^2-22x+y^2\text{ + 24y = 112 + 9} \\ x^2-22x+(11)^2+y^2+24y+(12)^2\text{ = 121 + 121 + 144} \\ (x-11)^2+(y+12)^2\text{ = 386} \\ \end{gathered}[/tex]Center = (11, -12)
[tex]\text{Radius = }\sqrt[]{386}[/tex]