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.	Most of the tortilla chip brands have less than 150 calories per serving.
		B.	Potato chips and tortilla chips both have the same mean number of calories.
		C.	Most of the potato chip brands have less than 150 calories per serving.
		D.	The data for potato chips and the data for tortilla chips have the same mode(s).
		Hint
	2.	Find the mode of {325, 100, 115, 621, 325, 325, 100}.
		A.	273	B.	115
		C.	325	D.	100
		Hint
	3.	The median is the _________ of a set of numbers.
		A.	most frequent	B.	average
		C.	middle number	D.	highest number
		Hint
	4.	Find the area of the figure if a = 3 and b = 5.
		A.	15 square units	B.	8 square units
		C.	16 square units	D.	225 square units
		Hint
	5.	Find the volume of the rectangular solid shown below.
		A.	24a4b8	B.	24a2b10
		C.	24a2b7	D.	9a4b8
		Hint
	6.	Express 765,000,000,000 in scientific notation.
		A.	7.65 × 10-11	B.	7.65 × 1011
		C.	7.65 × 1010	D.	0.765 × 1012
		Hint
	7.	Evaluate 5(11 + 22 - 10) – 19.
		A.	44	B.	66
		C.	106	D.	6
		Hint
	8.	Simplify 3x2 + 11x + 2x2.
		A.	5x2 + 11x	B.	6x2 + 11x
		C.	simplified	D.	16x2
		Hint
	9.	Simplify 2x + 5x + 4(x + 3).
		A.	11x + 12	B.	11x + 3
		C.	14x	D.	23x
		Hint
	10.	Evaluate z – (2yz + y) · y if y = -3 and z = 2.
		A.	23	B.	9
		C.	-43	D.	47
		Hint
	11.	The formula for the perimeter of a rectangle is , where is the length of the rectangle and w is the width. If a rectangle is 17 ft long and 8 ft wide, what is its perimeter?
		A.	68 ft	B.	50 ft
		C.	42 ft	D.	25 ft
		Hint
	12.	Which of the following is not necessarily considered a part of the population?
		A.	census	B.	the data collector
		C.	biased sample	D.	random sample
		Hint
	13.	A histogram is a graph in which the data are organized into equal _______.
		A.	bars	B.	intervals
		C.	elements	D.	tallies
		Hint
	14.	What kind of sampling is represented if dentists from random areas of the city are asked about their favorite toothpaste?
		A.	Random Sampling	B.	Cluster Sampling
		C.	Systematic Sampling	D.	Convenience Sampling
		Hint
	15.	Which value occurs most often?
		A.	99	B.	77
		C.	84	D.	71
		Hint
	16.	What is the mode of the number of rainy days each month?
		A.	7	B.	8
		C.	5	D.	6
		Hint
	17.	What is B + C?
		A.		B.
		C.		D.
		Hint
	18.	What expression describes the total bill, b, divided equally by 4 people?
		A.	4b	B.
		C.	b – 4	D.	b + 4
		Hint
	19.	Evaluate a (4 + b), if a = 4 and b = -12.
		A.	-16	B.	12
		C.	4	D.	-32
		Hint
	20.	Simplify –3m(–4n + 8)
		A.	12mn – 24m	B.	–12mn – 24
		C.	–12mn – 24m	D.	12mn – 8
		Hint