What is the median score on the test?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

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.

Find the measure of angle b in the following triangle