1.	Which equation illustrates the additive inverse property?
		A.	4 = 4	B.	(-3) + 0 = (-3)
		C.	2 + (-4) = (-2)	D.	6 + (-6) = 0
		Hint
	2.	Solve the equation 6 - (-8) = b.
		A.	18	B.	2
		C.	-2	D.	14
		Hint
	3.	Evaluate x – y + z if x = 12, y = 20, and z = -9.
		A.	-41	B.	1
		C.	-17	D.	23
		Hint
	4.	Evaluate r – s – t if r = -5, s = -10, and t = -15.
		A.	20	B.	-30
		C.	0	D.	-10
		Hint
	5.	A submarine started at a depth of 150 feet below sea level and descended 355 feet. What is the new depth of the submarine?
		A.	0 feet	B.	370 feet
		C.	205 feet	D.	505 feet
		Hint