Answer
Center: $(2,-3)$; Radius: $r=\frac{4}{3}$
Work Step by Step
Equation of a circle:
$(x-h)^2+(y-k)^2=r^2~~ $ (standard form)
Center: $(h,k)$; Radius: $r$
$(x-2)^2+(y+3)^2=\frac{16}{9}$
$(x-2)^2+[y-(-3)]^2=(\frac{4}{3})^2$
$h=2$, $k=-3$, $r=\frac{4}{3}$