Answer:
IM ON THE SAME ONEEE let me know when you have it
Step-by-step explanation:
Answer:
A) 
Step-by-step explanation:
The equation of a circle is
where
is the center and
is the radius. If
and
, then:

Therefore, the equation of the circle is 
Answer:
she
Step-by-step explanation:
bc c
The mean is all of them added together divided by the number, so multiple the mean by the number of sides, 3, and that's the perimeter. 18 x 3 = 54