Write the degree of the polynomial: $x^{2}y-2x+1$

State whether the given algebraic expression is a constant, linear, monomial, binomial, trinomial or polynomial.

$x^3+x^2+x+1$

State whether the given algebraic expression is a constant, linear, monomial, binomial, trinomial or polynomial.

State whether the given polynomial is a constant, linear, binomial or trinomial.

State whether the given algebraic expression is a constant, linear, monomial, binomial, trinomial or polynomial.

State whether the given algebraic expression is a constant, linear, monomial, binomial, trinomial or polynomial.

State whether the given algebraic expression is a constant, linear, monomial, binomial, trinomial or polynomial.