Answer:
<h2>r = 10</h2>
Step-by-step explanation:
The equation of a circle in standard form:

(h, k) - center
r - radius
We have the equation:

Therefore we have
the center (0, 0)
radius r = 10
Answer:
Step-by-step explanation:
for x, then, 7 = (x1+5) /2
14 = x1 + 5
9 = x1
for y, then, 4 = (y1+7) /2
8 = y1 + 7
1 = y1
S = (9,1)
<span>From breaking up the problems and sorting them out</span>
It’s D.) 2n-8 hope this helps