Answer:
1. (-2, 3) 7
2. (5, 8) 5
3. (-6, 1/2) 2/3
Explanation:
The equation of a circle is (x-h)^2+(y-k)^2=r^2 where the center is at point (h, k) and the r is the radius. Find the values that would fit the numbers in parenthesis to find the center of the circle, and take the squareroot of the number on the right side of the equation to find the radius.
lmk if im wrong, hope this helps!