Please help ASAP Thanks a bunch!

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

20.ju inces. which ordered pair is a viable solution if x represents the number of books he orders and y represents the total weight of the books, in ounces? (-3,-18) (-0.5, -3) (0,0) (0.5, 3)

Ineed with the quizzes in apex mathematics ii