1.	Solve x = -9 - (-7).
		A.	2	B.	-16
		C.	-2	D.	16
		Hint
	2.	Solve z = -15 - 7.
		A.	8	B.	-8
		C.	22	D.	-22
		Hint
	3.	Evaluate x – y if x = 8 and y = -5.
		A.	-13	B.	13
		C.	-3	D.	3
		Hint
	4.	Evaluate p – q if p = -6 and q = 14.
		A.	20	B.	8
		C.	-8	D.	-20
		Hint
	5.	The record high and low temperatures recorded in New York are 108°F and -52°F, respectively. What is the range of temperatures?
		A.	56°F	B.	-160°F
		C.	160°F	D.	-56°F
		Hint