1.	What is the least common multiple of 4, 5, and 16?
		A.	160	B.	80
		C.	64	D.	16
		Hint
	2.	Find the difference of (-2) and 5.
		A.	7	B.	-3
		C.	3	D.	-7
		Hint
	3.	Divide -56 by -4.
		A.	-13	B.	-14
		C.	14	D.	16
		Hint
	4.	Solve c + 32 = 124.
		A.	92	B.	-156
		C.	-92	D.	156
		Hint
	5.	Find the solution for the equation w - 13 = -4.
		A.	-17	B.	-9
		C.	17	D.	9
		Hint
	6.	Find the solution for 12r = -132.
		A.	-120	B.	-11
		C.	-12	D.	-144
		Hint
	7.	Find the least common multiple of 15 and 6.
		A.	15	B.	30
		C.	45	D.	60
		Hint
	8.	Find the sum 16 + (-3).
		A.	13	B.	19
		C.	-19	D.	-13
		Hint
	9.	Subtract 6 – 12.
		A.	6	B.	-6
		C.	18	D.	-18
		Hint
	10.	Find the difference –5 – (-11).
		A.	6	B.	16
		C.	-16	D.	-6
		Hint