1.	The number of calories for a serving of different brands of potato chips and tortilla chips is shown in the back-to-back stem-and-leaf plot below. Which statement is correct?
		A.	The data for potato chips and the data for tortilla chips have the same mode(s).
		B.	Most of the tortilla chip brands have less than 150 calories per serving.
		C.	Most of the potato chip brands have less than 150 calories per serving.
		D.	Potato chips and tortilla chips both have the same mean number of calories.
		Hint
	2.	Solve |t - 16| = 20.
		A.	{4, 36}	B.	{-4, 36}
		C.	{4, -36}	D.	{-4, -36}
		Hint
	3.	Use Cramer's rule to find the value of n in the system of equations.
		A.		B.
		C.	-22	D.
		Hint
	4.	Write the matrix equation as a system of linear equations.
		A.	-2s + t = 12 5s + 8t = 7	B.	-2s = 7 5t = 12
		C.	-2s + 5t = 7 s + 8t = 12	D.	-2s + t = 7 5s + 8t = 12
		Hint
	5.	The focus of a parabola has coordinates (2, 3). The equation of the directrix is x = 0. Find an equation of the parabola.
		A.		B.
		C.		D.
		Hint
	6.	Approximate the real zero of h(x) = 2x4 - 3x2 + x + 1 to the nearest tenth.
		A.	-1.3, -0.5	B.	-1.5, 0.9
		C.	-0.3	D.	1.6
		Hint
	7.	Find all of the rational zeros of the function p(x) = 2x3 + 3x2 - 11x - 6.
		A.	-6	B.	-3, 1
		C.		D.	-3, 2
		Hint
	8.	Find log 136.8 to four decimal places.
		A.	2.1418	B.	2.0502
		C.	2.1106	D.	2.1361
		Hint
	9.	42% of a random sampling of 800 people felt that skim milk was as nutritional as whole milk. Find the margin of error for this sampling.
		A.	0.0003045	B.	0.0348999
		C.	0.2436	D.	0.58
		Hint
	10.	Graph the line passing through the point (2, -5) with a slope of –2.
		A.		B.
		C.		D.
		Hint
	11.	A scatter plot is __________.
		A.	a line graph	B.	a line graphed in a portion of Quadrant I of the coordinate plane
		C.	a set of data graphed as ordered pairs in a coordinate plane	D.	a table of data
		Hint
	12.	Choose the ordered pair that satisfies 7x – 15y < -13.
		A.	(1, 1)	B.	(-2, 0)
		C.	(2, -3)	D.	(0, -2)
		Hint
	13.	At a firm, there are three workers that are supposed to work a combined 110 hours per week. Worker 1 is supposed to work 5 hours more than worker 2, and worker 2 is supposed to work 15 hours more than worker 3. How long should each one work?
		A.	worker 1: 40worker 2: 45worker 3: 25	B.	worker 1: 45worker 2: 40worker 3: 25
		C.	worker 1: 45worker 2: 35worker 3: 30	D.	worker 1: 42.5worker 2: 37.5worker 3: 30
		Hint
	14.	Find the value of the determinant of
		A.	6	B.	64
		C.	2	D.	–32
		Hint
	15.	Solve
		A.	no real solution	B.	10
		C.	38	D.	76
		Hint
	16.	If a graph represents an odd-degree polynomial function, what must be true?
		A.	It must have at least three roots.	B.	It must pass through the x-axis.
		C.	It may not have any real roots.	D.	As ,
		Hint
	17.	Find the slope of the line that passes through A and B.
		A.		B.
		C.		D.
		Hint
	18.	Shrinivas deposited $1300 in an account which pays 8% annual interest, compounded continuously. How long will it take to reach $3500?
		A.	1.2 years	B.	176 years
		C.	12.4 years	D.	9.2 years
		Hint
	19.	Dave and Nick started out with a garden of 5 tomatoes. Each week, they grew three times as many tomatoes as the week before. How many tomatoes an do they grow in the nth week?
		A.	5 + 3n	B.	3an-1
		C.	3n	D.	3 + an -1
		Hint
	20.	One card is drawn from a standard deck of cards. What is the probability that it is either a black card or a face card?
		A.		B.
		C.		D.
		Hint