1.	Write an inequality for the sentence three times a number is less than 45.
		A.	3x < 45	B.	3x 45
		C.	3x > 45	D.	3 + x < 45
		Hint
	2.	Solve .
		A.		B.
		C.		D.
		Hint
	3.	Write the inequality that is graphed on the number line below.
		A.	x -3	B.	x > -3
		C.	x < -3	D.	x -3
		Hint
	4.	Solve 7 + y 21
		A.	y 3	B.	y > 14
		C.	y 14	D.	y 14
		Hint
	5.	Solve 9a > -72. Graph the solution.
		A.		B.
		C.		D.
		Hint