In Exercises 9–22, multiply the monomial and the polynomial. 5x³ (2x⁵−4x²+9)

Fill in the blank to correctly complete each sentence. In the term -6x²y, -6 is the ______.

Identify each expression as a polynomial or not a polynomial. For each polynomial, give the degree and identify it as a monomial, binomial, trinomial, or none of these. -5x¹¹

Identify each expression as a polynomial or not a polynomial. For each polynomial, give the degree and identify it as a monomial, binomial, trinomial, or none of these. 6x+3x⁴

Identify each expression as a polynomial or not a polynomial. For each polynomial, give the degree and identify it as a monomial, binomial, trinomial, or none of these. -7z⁵-2z³+1

Identify each expression as a polynomial or not a polynomial. For each polynomial, give the degree and identify it as a monomial, binomial, trinomial, or none of these. 5