Write the polynomial in descending order of the variable x. If the polynomial is already in descending order, so state. Give the degree of the polynomial.-5y5 - 6x3 - 9x - 18x4
A. -5y5 - 18x4 - 6x3 - 9x, degree 13
B. -18x4 - 6x3 - 9x - 5y5, degree 13
C. -5y5 - 18x4 - 6x3 - 9x, degree 5
D. -18x4 - 6x3 - 9x - 5y5, degree 5
Answer: D
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.
A. 
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C. - 
D. 
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