1.	Simplify the rational expression .
		A.		B.
		C.		D.
		Hint
	2.	Choose the statement that is true.
		A.	To multiply rational numbers, you should add the numerators and multiply the denominators.
		B.	To multiply rational numbers, you should multiply the numerators and multiply the denominators.
		C.	To multiply rational numbers, you should multiply the reciprocal of the first fraction by the second fraction.
		D.	To multiply rational numbers, you should cross multiply the numerators and denominators.
		Hint
	3.	Find the product .
		A.	5ab	B.
		C.	6ab	D.
		Hint
	4.	Find the quotient (7y - 21) ÷ (y - 3).
		A.	1	B.	0
		C.	7	D.	-7
		Hint
	5.	Find the perimeter of triangle XYZ.
		A.	7x - 14 in.	B.	6x - 12 in.
		C.	7 in.	D.	in.
		Hint
	6.	A tour boat has a maximum speed of 12 miles per hour in still water. At this rate, a 32-mile trip downstream took the same amount of time as a 16-mile trip against the current. What was the rate of the current?
		A.	4 mph	B.	10 mph
		C.	8 mph	D.	2 mph
		Hint
	7.	Simplify .
		A.		B.
		C.		D.
		Hint
	8.	Find (9x2 – 16) ÷ (x + 2).
		A.	9x – 18	B.	3x – 1
		C.	9x – 18 +	D.	3x – 1 +
		Hint
	9.	Find the difference .
		A.		B.
		C.		D.
		Hint
	10.	You are throwing a smore party. A smore needs one marshmallow one chocolate bit and one graham cracker. A bag of marshmallows has 40 marshmallows, a box of chocolate has 16 pieces, and a box of graham crackers has 20. How many of each do you need to buy in order to have no ingredients left over after making as many smores as possible?
		A.	4 bags of marshmallows, 5 boxes of chocolate, 2 boxes of graham crackers.
		B.	80 bags of marshmallows, 80 boxes of chocolate, 80 boxes of graham crackers.
		C.	2 bags of marshmallows, 5 boxes of chocolate, 4 boxes of graham crackers.
		D.	40 bags of marshmallows, 40 boxes of chocolate, 40 boxes of graham crackers.
		Hint
	11.	Write with the same LCD.
		A.
		B.
		C.
		D.
		Hint
	12.	Solve the equation
		A.	c =	B.	c =
		C.	c =	D.	c =
		Hint