1.	What is the least common multiple of 4, 5, and 16?
		A.	80	B.	64
		C.	160	D.	16
		Hint
	2.	Find the difference of (-2) and 5.
		A.	3	B.	-7
		C.	7	D.	-3
		Hint
	3.	Divide -56 by -4.
		A.	16	B.	-13
		C.	14	D.	-14
		Hint
	4.	Find the solution for the equation w - 13 = -4.
		A.	-9	B.	9
		C.	-17	D.	17
		Hint
	5.	Find the solution for 12r = -132.
		A.	-144	B.	-12
		C.	-11	D.	-120
		Hint
	6.	Find the least common multiple of 15 and 6.
		A.	30	B.	60
		C.	15	D.	45
		Hint
	7.	Find the sum 16 + (-3).
		A.	13	B.	19
		C.	-13	D.	-19
		Hint
	8.	Subtract 6 – 12.
		A.	6	B.	-18
		C.	-6	D.	18
		Hint
	9.	Find the difference –5 – (-11).
		A.	16	B.	6
		C.	-16	D.	-6
		Hint
	10.	Multiply –8(-4).
		A.	-12	B.	12
		C.	-32	D.	32
		Hint