Answer:
y=720x+100.......................
64 1/8 or 64.125 thats my answer
Carina should've subtracted 3.40 from 5.27
Can u take a picture of it
It is given that the circumference of the circle is 19.5 inches. Let the diameter is d inches .
And the formula of circumference is

Substituting the value of C, we will get

When the diameter increased by 3, then the circumference is

And the circumference , when diameter is increased by 3 is 29 inches .