1.	Lines s and t are parallel and r is a transversal. Find the measure of5 if m2 = 72.
		A.	36	B.	72
		C.	108	D.	18
		Hint
	2.	Classify9 and15.
		A.	consecutive interior angles	B.	corresponding angles
		C.	alternate exterior angles	D.	alternate interior angles
		Hint
	3.	In the figure, g || h and a is a transversal. If what is the value of n?
		A.	12	B.	7.5
		C.	18	D.	15
		Hint
	4.	If m7 = 3x - 15 and m3 = 2x + 7, find m3.
		A.	51	B.	22
		C.	66	D.	129
		Hint
	5.	Classify 13 and 12.
		A.	alternate interior angles	B.	corresponding angles
		C.	alternate exterior angles	D.	vertical angles
		Hint