What is the value of expression 450/45+5

Which expression gives you the distance between the points (5,1)and(9,-6)

What is the value of x in the this question ?

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.