Combine like terms and write the resulting polynomial in descending order of degree.6y6 + 9y3 - 9y3 - 9y6

A. -3y6
B. -3y6 - 18y3
C. -3y6 + 18y3
D. -6y6


Answer: A

Mathematics

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A. 6x + 40 B. 14x + 40 C. -14x - 30 D. -14x + 40

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List the intercepts for the graph of the equation.x2 + y - 81 = 0

A. (9, 0), (0, 81), (0, -81) B. (-9, 0), (0, -81), (9, 0) C. (0, -9), (81, 0), (0, 9) D. (-9, 0), (0, 81), (9, 0)

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A. x = 5 B. y = 5 C. x = -5 D. x = -7

Mathematics

Express the statement as an equation involving the indicated variables.The circumference C of a circle is the product of ? and its diameter d.

A. C = 
B. C = ?d
C. C = 2?d
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Mathematics