1.	Find the sum (-4) + 6.
		A.	10	B.	-2
		C.	2	D.	-10
		Hint
	2.	What is the sum of -32 and -16?
		A.	2	B.	-48
		C.	-2	D.	-16
		Hint
	3.	Solve the equation a = (-5) + 13.
		A.	8	B.	-18
		C.	-8	D.	18
		Hint
	4.	Find the sum of 17 and –15.
		A.	-32	B.	32
		C.	2	D.	-2
		Hint
	5.	Find the sum –12 + 3 + (-6) + 14.
		A.	17	B.	-1
		C.	-16	D.	35
		Hint