Which number is rational? 9.23157 ...

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.

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?

What is the value of the discrimination for the quadratic equation 0=×2+2+×2