3+4-5+34 what is the answer

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.

What is the missing value in the proportion 4/5 = x/30

The number 72 lies between what perfect squares