Solve.Suppose you are designing a cardboard box that must have a volume of 42 cubic feet. The cost of the cardboard is $9 per square foot. How much will the material for each box cost?
A. $652.47
B. $869.96
C. $434.98
D. $326.23
Answer: A
Mathematics
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Use the discriminant of the equation to determine the number of x-intercepts.f(x) = -6x2 - 12x + 6
A. One x-intercept B. No x-intercepts C. Two x-intercepts
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Compute.-(-(-21))
A. 
B. 0
C. 21
D. -21
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Solve the problem.The revenue achieved by selling x graphing calculators is figured to be 
The cost of each calculator is 
How many graphing calculators must be sold to make a profit (revenue - cost) of at least $175.00?
A. {x ? 26 < x < 24} B. {x ? 25 < x < 35} C. {x ? 27 < x < 33} D. {x ? 10 < x < 20}
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Solve the problem.Use the formula C = 
(F - 32) to convert 239°F to degrees Celsius.
A. 150.6°C B. 100.8°C C. 462.2°C D. 115°C
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