1.	Write an algebraic expression to represent ''the sum of 6 and three times a number squared.''
		A.	6 + 3x2	B.	6(3x)
		C.	6 + 3x	D.	6(3x)2
		Hint
	2.	Solve 18 + a = 36.
		A.	-2	B.	18
		C.	-18	D.	54
		Hint
	3.	Solve
		A.	–25	B.	12
		C.	–1	D.	–12
		Hint
	4.	Solve
		A.		B.
		C.		D.
		Hint
	5.	Solve
		A.	21	B.	28
		C.		D.
		Hint