A unit fraction (a fraction with a numerator of 1) is sometimes called an Egyptian fraction. Egyptians expressed their fractions as a sum of distinct (different) unit fractions. How might the Egyptians have written the fraction 
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: B
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The following double-bar graph illustrates the revenue for a company for the four quarters of the year for two different years. Use the graph to answer the question. 
Which quarter for 2010 had the greatest increase in revenue compared to the same quarter for 2009?
A. third quarter B. first quarter C. fourth quarter D. second quarter
Find an equivalent expression by factoring.3x - 3y + 3z
A. 3(x + y + z) B. -3(x - y + z) C. 3z D. 3(x - y + z)
Solve the problem.What polynomial expression represents, in appropriate units, the perimeter of this square? The area? 
A. Perimeter: 12t + 16; Area: 9t2 + 24t + 16 B. Perimeter: 12t + 16; Area: 9t2 + 16 C. Perimeter: 12t + 4; Area: 9t2 + 12t + 16 D. Perimeter: 12t + 4; Area: 6t2 + 24t + 8
Approximate the number using a calculator. Round your answer to three decimal places.53.5
A. 17.500 B. 279.508 C. 279.808 D. 525.219