1.	What is the least common multiple of 4, 5, and 16?
		A.	160	B.	16
		C.	80	D.	64
		Hint
	2.	Find the sum (–4) + 6.
		A.	2	B.	–10
		C.	–2	D.	10
		Hint
	3.	Divide –56 by –4.
		A.	–14	B.	14
		C.	16	D.	–13
		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.	9	D.	17
		Hint
	6.	Find the least common multiple of 15 and 6.
		A.	45	B.	30
		C.	15	D.	60
		Hint
	7.	Find the sum 16 + (–3).
		A.	–13	B.	19
		C.	13	D.	–19
		Hint
	8.	Subtract 6 – 12.
		A.	6	B.	–6
		C.	–18	D.	18
		Hint
	9.	Find the difference –5 – (–11).
		A.	–16	B.	16
		C.	–6	D.	6
		Hint
	10.	Find the product 3(–12).
		A.	–9	B.	36
		C.	9	D.	–36
		Hint