1.	In the expression, 12 ·  z, the letter z is called the _____ because it stands for an unknown number.
		A.	algebraic expression	B.	numerical expression
		C.	product	D.	variable
		Hint
	2.	Write a verbal expression for the algebraic expression 24 - (15 ÷ z).
		A.	the quotient of 15 and z subtracted from 24	B.	the quotient of 15 and z decreased by 24
		C.	24 less than 15 divided by z	D.	the product of 15 and z subtracted from 24
		Hint
	3.	The cost of a shirt is $11.99. When Ian pays for the shirt plus tax with a 20-dollar bill, he receives $7.30 in change. Which equation represents this situation if t is the tax on the shirt?
		A.	11.99 + t = 20.00 - 7.30	B.	11.99t = 20.00 - 7.30
		C.	t - 11.99 = 20.00 - 7.30	D.	20.00 - 11.99t = 7.30
		Hint
	4.	A long-distance telephone service charges $5.00 per month for the service and then either $0.10 per minute or $0.05 per minute depending upon the time of day. Suppose during one month, you make one 15-minute and one 40-minute call at the $0.10 per minute rate and one 65-minute and one 90-minute call at the $0.05 rate. What will be the total charge for that month?
		A.	$26	B.	$13.25
		C.	$15.50	D.	$18.25
		Hint
	5.	Jordan used 44 legs to make some tables with 4 legs each and some stools with 3 legs each. Which of the following problem-solving strategies would work best to find the number of tables and the number of stools he made?
		A.	guess and check	B.	draw a diagram
		C.	make a graph	D.	use a formula
		Hint
	6.	Which of the following is not a characteristic of a good sample?
		A.	large enough to provide accurate data	B.	selected at random
		C.	at least 20 items	D.	representative of the larger population
		Hint
	7.	The frequency table shows the number of children of various ages at a day-camp. How many children are 10 years old or younger?
		A.	62	B.	25
		C.	19	D.	37
		Hint
	8.	Which value occurred most often?
		A.	98	B.	95
		C.	89	D.	75
		Hint
	9.	Name the coordinate of point D on the number line below.
		A.	2	B.	0
		C.	4	D.	-2
		Hint
	10.	On the graph below, which letter correctly identifies the point with coordinates (4, -2)?
		A.	C	B.	A
		C.	B	D.	D
		Hint
	11.	To add integers with the same sign, add their absolute values. Give the result with _____.
		A.	the same sign as the integers	B.	the opposite sign of the integers
		C.	a positive sign	D.	a negative sign
		Hint
	12.	Find the sum -4 + (-7).
		A.	-11	B.	11
		C.	3	D.	-3
		Hint
	13.	Find the sum -10 + 8.
		A.	-18	B.	-2
		C.	18	D.	2
		Hint
	14.	What is the difference 6 - (-6)?
		A.	12	B.	0
		C.	-6	D.	6
		Hint
	15.	Find the product -4(5).
		A.	9	B.	20
		C.	-9	D.	-20
		Hint
	16.	Find the quotient -56 ÷ (-8).
		A.	-7	B.	7
		C.	-46	D.	-64
		Hint
	17.	Use the distributive property to rewrite the expression 7c + 21d + 14e.
		A.	7(c + 21d + 14e)	B.	7c + 14(2d + 3)
		C.	7(c + 3d + 2e)	D.	5(c + 7d + 3e)
		Hint
	18.	Opal wants to be a professional baseball player. She decides to start going to a batting cage to practice. On the first day, Friday, she hits 61% of the balls that are pitched to her. On Saturday she hits 64%, and on Sunday she hits 67%. If she continues to improve at this rate for the next three days, what percent will she hit on Wednesday?
		A.	0.76	B.	0.71
		C.	0.73	D.	0.75
		Hint
	19.	Find the sum 3 + (-13).
		A.	-10	B.	10
		C.	16	D.	-16
		Hint
	20.	Evaluate j – k – l if j = 2, k = 3, and l = 4.
		A.	-5	B.	9
		C.	1	D.	3
		Hint