What exactly do you have to solve?
or is it just graphing?
It would be 7x7 + 2x2 = 53
Formula for circumference: 2πr
r=2x+1
C=2π(2x+1)
distribute
C=4πx+2π
The answer would be 25t^2 + 40t + 16
If you were to convert the measure of grams to kilograms it would me 35 grams= 0.035 grams