1.	Find the difference of (-2) and 5.
		A.	-7	B.	3
		C.	-3	D.	7
		Hint
	2.	Solve the equation 6 - (-8) = b.
		A.	-2	B.	14
		C.	18	D.	2
		Hint
	3.	Evaluate x – y + z if x = 12, y = 20, and z = -9.
		A.	23	B.	1
		C.	-17	D.	-41
		Hint
	4.	Evaluate r – s – t if r = -5, s = -10, and t = -15.
		A.	-10	B.	-30
		C.	20	D.	0
		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.	505 feet	B.	205 feet
		C.	0 feet	D.	370 feet
		Hint