Use 120 + 20 + M = 180 and A = 1/2bh f

Rewrite so the subject can be y in the formula d=m-y/y+n

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?

Robert is placing sod in two square shaped areas of his backyard. one side of the first area is 7.5 feet. one side of the other area is 5.7 feet. the sod costs y dollars per square foot