1.	Find the solution of 72 + z = 84 if the value of z can be selected from the set {4, 8, 12, 16}.
		A.	16	B.	12
		C.	4	D.	8
		Hint
	2.	Which number is a solution to x + 7 = 16?
		A.	9	B.	10
		C.	23	D.	8
		Hint
	3.	Which value for b makes the inequality true?
		A.	5	B.	none of these
		C.	6	D.	7
		Hint
	4.	Solve 3q + 6 = 15.
		A.	3	B.	7
		C.	2	D.	9
		Hint
	5.	The number sentence below is false. Make the sentence true by changing one symbol or number. Find the correct number sentence. 52 – 21 = 5 × 4 + 8
		A.	52 – 21 = 5 × 5 + 8
		B.	52 – 21 > 5 × 4 + 8
		C.	52 – 21 < 5 × 4 + 8
		D.	62 – 21 = 5 × 4 + 8
		Hint