Select all the expressions that could represent the volume of a box, which is a fourth degree polynomial in variables x and y.

A. 3x2y2 + 6x2 – 7xy – 14x

B. 10xy + 12x + 2xy2 – y2 – 5y – 6

C. –6 + 7xy + 9x2 + 2x3y

D. 2x3y + 5x2y – xy – 6y

E. 3x4y4 – 3x2y + 17xy2 – 10y

Step-by-step explanation:

A fourth degree polynomial in variables x and y is a polynomial in which the highest power/index of x and y is 4.

We observe the options below for that which satisfies this condition.

Out of the given options,

The expression that could represent the volume of a box is

answer;

the correct answer

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