1.	Solve a = -12 - 7.
		A.	5	B.	-19
		C.	-5	D.	19
		Hint
	2.	Write the additive inverse of -10.
		A.	10	B.
		C.	-10	D.
		Hint
	3.	Find the value for t in t = 41 - (-19).
		A.	60	B.	22
		C.	-60	D.	-22
		Hint
	4.	A hiker begins on top of a mountain that stands 12,500 feet above sea level. He walks down to the valley that is 250 feet below sea level. What is his change in elevation?
		A.	-12,250 feet	B.	-12,750 feet
		C.	12,750 feet	D.	12,250 feet
		Hint
	5.	Evaluate x – m if x = -6 and m = 8.
		A.	14	B.	-14
		C.	2	D.	-2
		Hint