1.	Write an algebraic expression to represent ''the sum of 6 and three times a number squared.''
		A.	6(3x)	B.	6 + 3x2
		C.	6 + 3x	D.	6(3x)2
		Hint
	2.	Solve the equation
		A.		B.	9
		C.	-1	D.	20
		Hint
	3.	Solve
		A.	–21	B.	–7
		C.	–25	D.	7
		Hint
	4.	Solve 3.6 = 2.5 + x.
		A.	9	B.	1.1
		C.	1.4	D.	6.1
		Hint
	5.	Solve 3x = –42.
		A.	–14	B.	14
		C.	–39	D.	–45
		Hint