1.	Write an algebraic expression to represent ''the sum of 6 and three times a number squared.''
		A.	6(3x)2	B.	6 + 3x
		C.	6 + 3x2	D.	6(3x)
		Hint
	2.	Solve 18 + a = 36.
		A.	18	B.	54
		C.	-18	D.	-2
		Hint
	3.	Solve the equation
		A.	-1	B.	9
		C.		D.	20
		Hint
	4.	Solve
		A.	–25	B.	12
		C.	–1	D.	–12
		Hint
	5.	Solve 3.6 = 2.5 + x.
		A.	1.4	B.	6.1
		C.	9	D.	1.1
		Hint