Answer: 9
because you need to first use the ones in the parentheses and then move on.
The equation of a cricle is

h being the x coordinate of the given point and k being the y coordinate of the given point (r also being the radius).
Now we have to plug the points into the equation

now just simplify the the equation
Answer:
sorry im just answering this cuz need points
Step-by-step explanation: