1.	Write an inequality for the sentence three times a number is less than 45.
		A.	3x 45	B.	3 + x < 45
		C.	3x > 45	D.	3x < 45
		Hint
	2.	Solve .
		A.		B.
		C.		D.
		Hint
	3.	Solve 3r + 5 > 26.
		A.	r > 21	B.
		C.		D.	r > 7
		Hint
	4.	Write the inequality that is graphed on the number line below.
		A.	x < -3	B.	x -3
		C.	x > -3	D.	x -3
		Hint
	5.	Solve 5s - 2 < 18
		A.	s > 5	B.	s > 4
		C.	s < 5	D.	s < 4
		Hint