Identify the Polynomial as a Monomial, Binomial, Trinomial, or None $- 10 z ^ { 5 } + 6 z ^ { 4 } + 9 z ^ { 3 } + 12$

Multiple Choice

Identify the polynomial as a monomial, binomial, trinomial, or none of these.
- $- 10 z ^ { 5 } + 6 z ^ { 4 } + 9 z ^ { 3 } + 12$

A) Binomial
B) Trinomial
C) None of these
D) Monomial