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