Simplify the polynomial by adding or subtracting, as indicated. Express your answer as a single polynomial in standard form.(8x5 + 19x4 - 15) - (-3x4 + 5x5 - 5)
A. 3x5 + 24x4 - 20
B. 3x5 + 22x4 - 10
C. 3x5 + 22x4 - 20
D. 15x9
Answer: B
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on 
A. 
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B. 
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C. 98?
D. 
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Find the equation of the circle from the given information.Center at (19, 2), tangent to the x-axis
A. (x - 19)2 + (y - 2)2 = 361 B. (x - 19)2 + (y - 2)2 = 4 C. (x - 2)2 + (y - 19)2 = 2 D. (x - 2)2 + (y - 19)2 = 361
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Solve the problem.During a cold front in Alaska the temperature dropped 7°F each hour for 8 hours. Express the total drop in temperature as an integer.
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