Guys can someone me with these problems ?

John makes $10.50 pers hour what expression represens how much he will make if he works h hours

Nnnnneeedd 1.find the residual if you know the actual number is 5.2 and the predicted value is 4.8

The coordinates of a, b, and c in the diagram are a(p,4), b(6,1), and c(9,q). which equation correctly relates p and q? hint: since is perpendicular to , the slope of × the slope of = -1. a. p - q = 7 b. q - p = 7 c. -q - p = 7 d. p + q = 7