Answer
9$m^{3}$-5$m^{2}$+4m-8
Degree: 3
Neither monomial, binomial, nor trinominal.
Work Step by Step
The degree of a polynomial is the greatest exponent of a term in the polynomial. The highest exponent here, is 3, since we have 9$m^{3}$ This polynomial has 4 terms, therefore not qualifying as a monomial, binomial, or trinomial.