Answer:
Step-by-step explanation:
Enter values of which highlighted variable?
The standard equation of circle when center is (h,k) and radius is 'r'

h = 2 and k = - 5, radius = 16
So equation of the circle is given by


You answer would be Oy= 7x-1. I hope this helps!
Answer:
4x+18
Step-by-step explanation:
Length = x+3+x+3
width = x+3-x= 3
perimeter = x+3+x+3+x+3+x+3+3+3=4x+18