1.	Solve -12 - (-3) = m.
		A.	-15	B.	15
		C.	9	D.	-9
		Hint
	2.	Evaluate x - y if x = 2 and y = 7.
		A.	-5	B.	-9
		C.	9	D.	5
		Hint
	3.	Solve t = -3 - 8.
		A.	11	B.	-11
		C.	-5	D.	5
		Hint
	4.	Solve z = -15 - 7.
		A.	22	B.	8
		C.	-8	D.	-22
		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.	56°F
		C.	-160°F	D.	160°F
		Hint