Table D represents a linear function.
To find the diameter of a circle, using only the circumference, you need to divide the circumference by π, or 3.14.
So in this case, you must divide 12 by 3.14, which gives you 3.82.
I even double checked this, and should be correct then.
It will take 13.33 days to fill it to 6,000 gallons.
Y=1:5x is the forest answer i hope this helps