Answer: B
Step-by-step explanation:
Answer:

Step-by-step explanation:
The standard form for the equation of a circle is
where r is the radius, and the center is (h, k).
(h, k) = (-1, 2), r = 7

I think this is how you would do it
To distribute through parenthesis, u take the number outside of the parenthesis and multiply by everything inside the parenthesis.
6(x + 3) = (6 * x) + (6 * 3) = 6x + 18 <==