Find the Degree of the Polynomial and Indicate Whether the Polynomial

Multiple Choice

Find the degree of the polynomial and indicate whether the polynomial is a monomial, binomial, trinomial, or none of
these.
- $$13 x ^ { 4 } + 7 x ^ { 3 } - 6 x - 3 y ^ { 5 }$$

A) trinomial of degree 4
B) degree 5 ; none of these
C) degree 4 ; none of these
D) trinomial of degree 5