Please Help I will fail my Class if I don't get this correct. please anything helps. look at the picture.

What is not true about kl and mn? what is mn? (show your work)

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14

Which of the following transformations will make coincide with ? a. counter-clockwise rotation 90º about a, followed by a translation 5 units to the right b. translation 5 units to the right, followed by a reflection across the y-axis c. translation 5 units to the right, followed by a reflection across the x-axis d. translation 1 unit up and 5 units to the right, followed by a reflection across the x-axis