1.	Which triangle is similar to
		A.
		B.
		C.
		D.
		Hint
	2.	and are similar. Find b if x = 15, y = 6, and a = 7.5.
		A.	6	B.	7.5
		C.	3	D.	12
		Hint
	3.	and are similar. Find x if z = 3, a = 6, and c = 4.5.
		A.	7.5	B.	4
		C.	2.25	D.	9
		Hint
	4.	and are similar. Find a if x = 7, y = 1, and
		A.		B.	1
		C.		D.
		Hint
	5.	and are similar. The ratio of to is Find if is 12.
		A.		B.	16
		C.	12	D.	9
		Hint