Give a verbal description of the subset of real numbers represented by the inequality, and sketch the subset on the real number line.
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0 < x ? 8
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A. 0 ? x ? 8 denotes the set of positive real numbers less than or equal to 8.
B. 0 < x > 8 denotes the set of positive real numbers greater than 8.
C. 0 < x < 8 denotes the set of positive real numbers less than 8.
D. 0 < x ? 8 denotes the set of positive real numbers greater than or equal to 8.
E. 0 < x ? 8 denotes the set of positive real numbers less than or equal to 8.
Answer: E
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?Which of the following statements are true? ?
A. ?All even numbers are composite. B. ?Every third odd number is divisible by 3. C. ?If a number is divisible by 18, it is divisible by 2. D. ?If a number is divisible by 5, it is divisible by 10. E. ?a, b, and c only are true F. ?a, b only are true
Divide, if possible. Write the answer in simplest form.
÷ 
A. 1
B. 
C. 
D. 
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. 
What was the difference in revenue between the third quarter of 2009 and the third quarter of 2010?
A. $5 million B. $15 million C. $1 million D. $3 million
Factor by grouping.32r2 + 28ry - 8xr - 7xy
A. (8r + 7y)(4x - r) B. (7r + 8y)(4r - x) C. (8r + 7y)(x - 4r) D. (8r + 7y)(4r - x)