8. Two forces of 40N and 80N act at an angle of 120 to each other. Find the magnitude and direction of the equilibrant force. (Include a diagram representing the forces) (5 marks) 9. Determine the intersection (if any) of the following lines: I: : (_8=_531) + t(134a_1) and F = (33055) + "(39192). (5 marks) 10.Determine the intersection point (if it any) of the following planes: (6 marks) x+y+22=2 3xy+14z=6