The degree of the expression `2x^(2)-xy^(2)+x` is

Degree of the expression 18x^3+7x^2 is......

The number of second degree terms in the expression 2x^(3)-3x^(2)y+5x^(2)-6y^(2)+8x^(2)y-4x^(2)y^(2) is _____

The degree of the polynomial 3x^(2)y-5xy^(4)-2x+7 is

The degree of the polynomial 7-2x^3+7x^2y+xy^3 is

The degree of the polynomial 3x^2y^3 + 4xy +7 is