1.	Solve 18 + (-21) = f.
		A.	39	B.	3
		C.	-39	D.	-3
		Hint
	2.	Evaluate the expression |a + b| if a = 3 and b = -4.
		A.	7	B.	-7
		C.	1	D.	-1
		Hint
	3.	Solve d = 5 + 13 + (-6).
		A.	-24	B.	12
		C.	-12	D.	24
		Hint
	4.	The sale of hard candy in a candy store is not the same from one year to another. In 1998, 40% of the candy sold was hard candy, The table shows the change in sales in the successive years. What percent of the candy sold in 2001 was hard candy?
		A.	40%	B.	42%
		C.	41%	D.	39%
		Hint
	5.	A football team has the ball on its own 20-yard line. What yard line will the ball be on after they gain 5 yards on a running play?
		A.	10-yard line	B.	25-yard line
		C.	15-yard line	D.	30-yard line
		Hint