Find x and m2 if MS is an altitude of MNQ, m1 = 3x + 11, and m2 = 7x + 9.

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.