Need with this homework question. click on the picture for full screen.

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

There are a total of 75 students in the robotics club and science club. the science club has 9 more students than the robotics club. how many students are in the science club?

Pr and pt a) pr = ps + pt b)pr = ps · pt c)(pr)2 = ps · pt