1.	Write an integer to describe a city 325 feet above sea level.
		A.	+325 and -325	B.	+325 and |-325|
		C.	-325	D.	+325
		Hint
	2.	Write an integer to represent a debt of $45.
		A.	-45 and +45	B.	|-45|
		C.	-45	D.	+ 45
		Hint
	3.	Order the integers {2, 0, -4, -6, 1} from least to greatest.
		A.	{-6, -4, 0, 2, 1}	B.	{-6, -4, 0, 1, 2}
		C.	{-4, -6, 0, 2, 1}	D.	{0, 1, 2, -4, -6}
		Hint
	4.	Evaluate |-21| - |16|.
		A.	5	B.	37
		C.	-37	D.	36
		Hint
	5.	Evaluate 9 + |b| if b = -14.
		A.	3	B.	23
		C.	-23	D.	-3
		Hint