1.	What is the least common multiple of 4, 5, and 16?
		A.	64	B.	160
		C.	80	D.	16
		Hint
	2.	Find the difference of (-2) and 5.
		A.	7	B.	-3
		C.	-7	D.	3
		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.	156	D.	-92
		Hint
	5.	Find the solution for the equation w - 13 = -4.
		A.	-17	B.	17
		C.	-9	D.	9
		Hint
	6.	Find the solution for 12r = -132.
		A.	-12	B.	-144
		C.	-11	D.	-120
		Hint
	7.	Find the least common multiple of 15 and 6.
		A.	60	B.	45
		C.	30	D.	15
		Hint
	8.	Subtract 6 – 12.
		A.	6	B.	-6
		C.	-18	D.	18
		Hint
	9.	Multiply –8(-4).
		A.	12	B.	-12
		C.	-32	D.	32
		Hint
	10.	Find the LCM of 25 and 30.
		A.	120	B.	275
		C.	750	D.	150
		Hint