1.	Solve the equation 6 - (-8) = b.
		A.	-2	B.	18
		C.	14	D.	2
		Hint
	2.	Subtract 6 – 12.
		A.	6	B.	-18
		C.	-6	D.	18
		Hint
	3.	Find the difference –5 – (-11).
		A.	-6	B.	16
		C.	6	D.	-16
		Hint
	4.	Evaluate r – s – t if r = -5, s = -10, and t = -15.
		A.	20	B.	-30
		C.	-10	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