Solve.The weekly sales in thousands of items of a product has a seasonal sales record approximated by 
During which week(s) will the sales equal 81,710 items?
A. week 30 and week 47
B. week 4 and week 47
C. week 4, week 20, and week 52
D. week 21 and week 30
Answer: C
Mathematics
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A. {37}
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Solve.A board of length 
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A. 
in.
B. 
in.
C. 
in.
D. 
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Match the system of inequalities with the appropriate graph.x + 2y ? 2 x - y ? 0
A. 
B. 
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D. 
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Graph the function.f(x) = -0.4x + 2
A. 
B. 
C. 
D. 
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