1.	Find the sum -5 + (-6).
		A.	11	B.	1
		C.	-11	D.	-1
		Hint
	2.	Find the difference -18 - 4.
		A.	-22	B.	22
		C.	14	D.	-14
		Hint
	3.	Find the sum
		A.		B.
		C.		D.
		Hint
	4.	What is the sum of –5 + (–7)
		A.	2	B.	12
		C.	–2	D.	–12
		Hint
	5.	Simplify –3.6 – (–2.1) + 4.8
		A.	–3.3	B.	3.3
		C.	0.369	D.	–0.9
		Hint