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.	12
		C.	7.5	D.	3
		Hint
	3.	Find sin X.
		A.	0.6	B.	0.75
		C.	8	D.	0.8
		Hint
	4.	Find the length of the missing side to the nearest hundredth.
		A.	7.81	B.	8.25
		C.	8.06	D.	7.62
		Hint
	5.	In a right triangle, the length c of the hypotenuse is 14 and the length b of one of the legs is 8. Find the length a of the other leg to the nearest hundredth.
		A.	16.12	B.	21.23
		C.	11.49	D.	19.88
		Hint
	6.	Simplify
		A.		B.
		C.		D.
		Hint
	7.	Simplify .
		A.		B.
		C.		D.
		Hint
	8.	Simplify .
		A.	The expression is in simplest form	B.
		C.		D.
		Hint
	9.	Simplify .
		A.		B.
		C.	The expression is in simplest form.	D.
		Hint
	10.	The distance between the points with coordinates (-8, 4) and (1, a) is 15 units. Find the value of a.
		A.	8	B.	-8
		C.	-8 or 16	D.	8 or 16
		Hint
	11.	Solve.
		A.	{5, 8}	B.	{6, 7}
		C.	7 only	D.	8 only
		Hint
	12.	Suppose the formula represents the relationship between a plane's length L and the pounds P its wings can lift, where k is a constant of proportionality calculated for a plane. If a plane must be able to support 300,000 pounds and its wings are 180 feet, what is the value of k?
		A.	0.0245	B.	0.573
		C.	0.108	D.	0.0006
		Hint
	13.	What is the distance between (2, 5) and (11, –3)?
		A.	145	B.
		C.	17	D.
		Hint
	14.	Libby looked out of her airplane window at a 32° angle with respect to the horizontal, and saw the Sears Tower building in Chicago. If the airplane had an altitude of 4000 feet, how far away were they from being directly over Chicago?
		A.	1616 ft.	B.	9900 ft.
		C.	6401 ft.	D.	2499 ft.
		Hint