Answer:
Hope this helps
Step-by-step explanation:
0.01988071
The equation of the circle:

where:
(a; b) - coordinates of the center
r - a radius
Use:

We have:
Answer:The center: (-2; 4)The radius: r = 4
Great, because y=2x+5 is 3xy kay.
81- answer is ok but im not suree
I can help with the formula just do the math on a calculator you multiply length x width x height