Use the table to find an quadratic equation of best fit.

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

You can find the constant of proportionality by finding the ratio of

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)