Tell whether the expression is a monomial. If it is, name the variable(s) and coefficient, and give the degree of the monomial.- 

A. Monomial; variables x, y; coefficient -3; degree 3
B. Monomial; variables x, y; coefficient -3; degree 9
C. Monomial; variables x, y; coefficient -3; degree 6
D. Not a monomial


Answer: D

Mathematics

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