Answer:
(5, -7) is the center 9 is the radius
Step-by-step explanation:
just a general rule >>
(x-h)^2 + (y-k)^2=r^2
r^2 is 81 so the radius is 9
notice its -h and -k, so the actual answers are the negate of whatever is in the parentheses
-5 is actually 5
and 7 is actually -7
(5, -7)
pls give brainliest!!
