1.	Solve the equation a = (-5) + 13.
		A.	-18	B.	-8
		C.	8	D.	18
		Hint
	2.	Find y for y = x2 - 15 if x = 6.
		A.	49	B.	51
		C.	-3	D.	21
		Hint
	3.	Factor 144 completely.
		A.	3 · 3 · 4 · 4	B.	12 · 12
		C.	2 · 2 · 2 · 2 · 3 · 3	D.	4 · 4 · 9
		Hint
	4.	Simplify
		A.		B.
		C.		D.
		Hint
	5.	Write in simple form.
		A.		B.
		C.		D.
		Hint
	6.	Simplify
		A.	2ab2	B.
		C.		D.
		Hint
	7.	Evaluate the expression 5n4m-2 if m = 6 and n = 3.
		A.		B.	-5
		C.		D.	-20
		Hint
	8.	Write 0.478 in scientific notation.
		A.	478 × 101
		B.	4.78 × 10-1
		C.	4.78 × 10-2
		D.	4.78 × 102
		Hint
	9.	The diameter of a volcanic particle averaged 0.000022 meter. What is this measure written in scientific notation?
		A.	2.2 × 10-5
		B.	2.2 × 10
		C.	2.2 × 105
		D.	0.22 × 10-4
		Hint
	10.	The number 250 is divisible by which number(s) from the following list? 2, 3, 5, 6, or 10
		A.	2, 5, and 10 only	B.	2, 3, and 6 only
		C.	5 and 10 only	D.	All of 2, 3, 5, 6, and 10
		Hint
	11.	The number 97 is divisible by which of the following?
		A.	6	B.	None of these
		C.	3	D.	5
		Hint
	12.	Evaluate x5 - 13 if x = -2.
		A.	-23	B.	3
		C.	19	D.	-45
		Hint
	13.	Factor 7x + 21.
		A.	7(x + 3)	B.	7(x + 21)
		C.	x(7 + 21)	D.	7x(1 + 21)
		Hint
	14.	Factor 15x3 - 5x2.
		A.	x2 (15x – 5)	B.	5x(3x2 - x)
		C.	5x2 (3x – 1)	D.	x(15x2 - 5x)
		Hint
	15.	Find (14b5)(-1b6).
		A.	-14b30	B.	-14b11
		C.	14b11	D.	14b30
		Hint
	16.	Evaluate y-5 if y = -2.
		A.		B.	32
		C.	-32	D.
		Hint