The formula for the surface area of a sphere is

I cant help you here. I am bad at math!!!

5× the first equation + the second equation will give an equation of 'a' to its value.
Answer:
I thinks this is the answer
198.2673 round up remember, Hope this helps ️️
Replace x in each equation and solve to see if it equals the Y value in the table.
Doing this for all 4 letters, the correct equation is B y =3x+4