1.	A 50-mile trip uses 2 gallons of gas. How much gas would you use on a 115-mile trip?
		A.	25 gallons	B.	5 gallons
		C.	4.6 gallons	D.	4 gallons
		Hint
	2.	Multiply
		A.		B.
		C.		D.
		Hint
	3.	Simplify
		A.		B.
		C.		D.
		Hint
	4.	Simplify .
		A.		B.
		C.		D.
		Hint
	5.	Simplify the expression .
		A.		B.
		C.		D.
		Hint
	6.	Assuming that , determine whether is sometimes, always, or never true.
		A.	never	B.	sometimes
		C.	always	D.	cannot be determined from given information
		Hint
	7.	What is the LCM of and .
		A.	r(r – 1)(r + 3)(r + 9)	B.	(r – 1)(r + 3)(r + 9)
		C.	r(r – 1)2(r + 3)(r + 9)	D.	(r – 1)2(r + 3)(r + 9)
		Hint
	8.	What type of function is y = 2?
		A.	rational	B.	absolute value
		C.	direct variation	D.	constant
		Hint
	9.	John ran a marathon on a windy day. He ran the first 13 miles into the wind, and the last 13 miles with the wind at his back, and he completed the course in 3 hours. How fast is John in still conditions if the wind speed was 4 miles per hour?
		A.	–1.6 mph	B.	12.7 mph
		C.	10.2 mph	D.	8.7 mph
		Hint
	10.	Solve .
		A.	0 and 7	B.	–
		C.	– and 7	D.	7
		Hint