1.	Write a statement that represents the model below.
		A.	-4 + (-7) = -11	B.	4 + 7 = 11
		C.	4 + (-7) = -3	D.	-4 + 7 = 3
		Hint
	2.	State the additive inverse of -32.
		A.	-32	B.	1
		C.	0	D.	32
		Hint
	3.	Find the difference -18 - 4.
		A.	-22	B.	-14
		C.	14	D.	22
		Hint
	4.	Simplify -6a + (-12a).
		A.	-18a	B.	-6a
		C.	6a	D.	18a
		Hint
	5.	Find the difference |-25| - (-32).
		A.	57	B.	7
		C.	-7	D.	-57
		Hint