Subtract.
?
?
A. 20.8
B. 22
C. 21
D. 21.1
E. 20
Answer: C
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Round 54,721 to the nearest ten.
A. 54,700 B. 54,730 C. 50,000 D. 54,720 E. 54,800
Solve the problem.In 2008 an outdoor mall was open throughout the year. The number of shoppers averaged 5000 on sunny days, 4000 on cloudy days, 1200 on rainy days, and 3000 on snowy days. The percentage of days of each type in 2008 is given in the following table. Find the average number of average shoppers per day at the mall for 2008. 
A. 3943 B. 3826 C. 3300 D. 2100 E. 1240
Angela and Ben want to divide fairly the chocolate-strawberry cake shown below. The total cost of the cake was $6.00. Angela values strawberry three times as much as she values chocolate, while Ben values chocolate twice as much as he values strawberry.
In Angela's eyes, the piece shown below is worth
A. $3.75. B. $5.00. C. $4.50. D. $2.25. E. none of these
Factor the trinomial, if possible.12z2 - 7z - 12
A. (4z - 3)(3z + 4) B. (12z + 3)(z - 4) C. (4z + 3)(3z - 4) D. (12z + 1)(z - 12)