Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary.
= 
A. x = 24.84
B. x = 113.07
C. x = 0.04
D. x = 9.06
Answer: A
Mathematics
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Solve the mixture problem.In a chemistry class, 6 liters of a 4% silver iodide solution must be mixed with a 10% solution to get a 6% solution. How many liters of the 10% solution are needed?
A. 3 liters B. 6 liters C. 4 liters D. 2 liters
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Express the area of the figure as a polynomial in descending powers of the 
4x + 2
A. 2x3 - 19x2 + 7x + 1 B. 2x3 + 19x2 + 7x - 1 C. 2x3 + 17x2 + 11x - 1 D. 2x3 - 17x2 - 11x - 1
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Solve the differential equation.
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Solve and graph. Write the result in interval notation.8x ? 56
A. (7, ?)
B. (-?, 7]
C. [7, ?)
D. (-?, 7)
Mathematics