1.	Simplify (-3a5b3)4.
		A.	-81a9b12	B.	-12a9b7
		C.	81a20b12	D.	-12a20b12
		Hint
	2.	Simplify the expression 8 (a + 2b) – 7b + 6 (3a – b).
		A.	4a – 6b	B.	26a + 3b
		C.	26a – 6b	D.	152a – 88b
		Hint
	3.	If a = –3 and b = 4, what is
		A.	15	B.	12
		C.	–11	D.	–27
		Hint
	4.	If a = –5 and b = 7, what is
		A.	–114	B.	–76
		C.	145	D.	–174
		Hint
	5.	If a = –3 and b = 3, what is
		A.	–81	B.	27
		C.	36	D.	–27
		Hint