Which pair of lines are perpendicular? A. x - y = 7 and y = x + 3 B. y = -4r + 1 and 8x + 2y = -10 C. y = -8 and y = 2 D. x = 4 and y = -1

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.