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