1.	The set of whole numbers and their opposites are known as ______.
		A.	positive numbers	B.	integers
		C.	absolute values	D.	negative numbers
		Hint
	2.	Simplify |-13| - |5|.
		A.	-18	B.	18
		C.	-8	D.	8
		Hint
	3.	Find the sum 17 + |-8|.
		A.	-25	B.	9
		C.	-9	D.	25
		Hint
	4.	Evaluate the expression 2|x| - 3|y| if x = -8 and y = -5.
		A.	-1	B.	1
		C.	-31	D.	31
		Hint
	5.	Write an inequality to show the relationship between -10°F and 0°F.
		A.	0°F -10°F	B.	0°F < -10°F
		C.	0°F > -10°F	D.	0°F < -10°F
		Hint