Pls i’m super dumb and i need with this one it’s due tomorrow

Which equation requires the division property of equality to be solved?

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36

How do you determine whether a relationship represented as as graph is linear or nonlinear