Hello!
The equation for a circle is

(h,k) is the center
r is the radius
Put in the values you know

Simplify

The equation is

Hope this helps!
Answer:
When x = -2 or when x = 7
Step-by-step explanation:
x+2 is a factor in the denominator. If x = -2, the factor becomes zero.
x-7 is a factor in the denominator. If x = 7, the factor becomes zero.
We can't have zero as a factor in a denominator because division by zero is not defined. It doesn't have any meaning.
Answer:
Step-by-step explanation:
T=L(8+RS)
T=L8+LRS
T-L8=LRS
R=T-L8/LS