1.	Simplify |-13| - |5|.
		A.	-8	B.	8
		C.	-18	D.	18
		Hint
	2.	Solve the equation a = (-5) + 13.
		A.	-8	B.	-18
		C.	8	D.	18
		Hint
	3.	What is the greatest common factor of 18mn2, 54m4, and 80n3?
		A.	18m2n3	B.	9mn
		C.	2mn2	D.	2
		Hint
	4.	Simplify the expression (-4a2)(3a2).
		A.	-12a4	B.	12a2
		C.	-1a4	D.	12a-2
		Hint
	5.	A carpenter cuts a board that is 4 feet long. After the cut, 1 feet remain. How long was the piece that was cut?
		A.	3 ft.	B.	3 ft.
		C.	3 ft.	D.	3 ft.
		Hint
	6.	If the domain of the function is {-6, 2, 5, 9} what is the range?
		A.		B.
		C.		D.	{-3, -5, 8, 12}
		Hint
	7.	Use the figure to name a pair of adjacent angles.
		A.	and	B.	and
		C.	and	D.	and
		Hint
	8.	Evaluate x – y + z if x = 12, y = 20, and z = -9.
		A.	-41	B.	-17
		C.	1	D.	23
		Hint
	9.	Divide
		A.	5	B.	52
		C.	-5	D.	-52
		Hint
	10.	Evaluate y-5 if y = -2.
		A.		B.	32
		C.	-32	D.
		Hint
	11.	Write as a decimal.
		A.	0.5	B.	0.48
		C.	12.25	D.
		Hint
	12.	Find the mode of the following data: 6.2, 7.1, 5.0, 5.7, 6.2, 9.4, 4.3, 5.2, 5.5, 5.9
		A.	5.8	B.	6.2
		C.	6.05	D.	No mode
		Hint
	13.	Write an equation in slope-intercept form for the best-fit line of a scatter plot which contains the points (4, 60) and (9, 135).
		A.		B.	y = 15x
		C.	y = -15x	D.
		Hint
	14.	A best-fit line has the equation y = 13.7694x + 3.99, which models the cost y of ordering x CDs from a music company. Predict the cost of ordering 8 CDs.
		A.	about $100.30	B.	about $114.06
		C.	about $114.15	D.	about $110.16
		Hint
	15.	Solve the system of equations given by y = -5x + 1 and y = -5x – 4.
		A.	infinitely many solutions	B.
		C.		D.	no solution
		Hint
	16.	A cookie recipe calls for two eggs and yields 4 dozen cookies. How many eggs would be necessary to make 10 dozen cookies?
		A.	6 eggs	B.	7eggs
		C.	4 eggs	D.	5 eggs
		Hint
	17.	Express as a percent. Round to the nearest tenth percent, if necessary.
		A.	355.60%	B.	3.60%
		C.	35.60%	D.	3555.60%
		Hint
	18.	An item that usually sells for $109.99 is now selling for $89.99. To the nearest tenth of a percent, what is the percent of decrease for the cost of the item?
		A.	18.20%	B.	0.20%
		C.	9.10%	D.	25%
		Hint
	19.	The vertices of are G(-3, 0), H(-5, -5), and I(1, -5). Describe the translation if the vertices of the image are G´(-7, 5), H´(-9, 0), and I´(-3, 0).
		A.	4 left, 5 up	B.	4 right, 5 up
		C.	4 left, 5 down	D.	4 right, 5 down
		Hint
	20.	Classify the polygon.
		A.	hexagon	B.	nonagon
		C.	heptagon	D.	pentagon
		Hint