Can someone me complete this two-column proof?

an explanation on how to do it would be nice.. (picture below)

(and don't answer if you don't know, .)

given: < 2 and < 5 are supplementary.
prove: l || m

The sketch shows two parallel lines cut by a transversal. angle 2 2 is 36° 36 ° . what is the measure of angle 8 8 ?

Solve -2(4y + 6) = 52. 5 -5 8 -8 and !

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.