Which equation represents a linear function with the steepest line?
a) x+2y=4
b) 2x+3y=−6
c) 5x−y=−6
d) 4x−2y=−8

Last week , donnell practiced the piano 3 hours longer than marcus . together, marcus and donnell practiced the piano 11 hours . for how many hours did each young man practiced the piano