1.	Solve -17 – 12 = u.
		A.	u = 29	B.	u = -5
		C.	u = 5	D.	u = -29
		Hint
	2.	What is the additive inverse of 15?
		A.	0	B.	-15
		C.		D.	15
		Hint
	3.	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
	4.	Evaluate a – b + 2 if a = -7 and b = 5.
		A.	4	B.	10
		C.	-10	D.	-4
		Hint
	5.	Evaluate x – m if x = -6 and m = 8.
		A.	-14	B.	2
		C.	14	D.	-2
		Hint