Is the line y = 3x – 7 parallel or perpendicular to 3x + 9y = 9?

Jalen charges $25.50 for every 3 hours of yard work he does for his neighbors. ralph charges $34 for every 4 hours of work that he does. who charges less? opinions: 1.they charge the same amount 2.jalen 3.ralph

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2