1.	Find the sum
		A.		B.
		C.		D.
		Hint
	2.	Find the difference -3.35 - 6.21.
		A.	-2.86	B.	9.56
		C.	-9.56	D.	2.86
		Hint
	3.	Find the sum
		A.		B.
		C.		D.
		Hint
	4.	What is the sum of –5 + (–7)
		A.	–2	B.	–12
		C.	12	D.	2
		Hint
	5.	Simplify –3.6 – (–2.1) + 4.8
		A.	3.3	B.	–0.9
		C.	–3.3	D.	0.369
		Hint