Write the Polynomial in Descending Order of the Variable X $- 20 x ^ { 7 } + 9$

Multiple Choice

Write the polynomial in descending order of the variable x. If the polynomial is already in descending order, so state.
Give the degree of the polynomial.
- $- 20 x ^ { 7 } + 9$

A) $9 - 20 x ^ { 7 } , \text { degree } 7$
B) descending order, degree 7
C) descending order, degree 8
D) $9 - 20 x ^ { 7 } , \text { degree } 8$