Give the Degree of the Polynomial and Identify Its Leading $8 x ^ { 3 } y ^ { 2 } - 7 x ^ { 5 } y ^ { 4 } + x ^ { 9 } y$

Multiple Choice

Give the degree of the polynomial and identify its leading coefficient.
- $8 x ^ { 3 } y ^ { 2 } - 7 x ^ { 5 } y ^ { 4 } + x ^ { 9 } y$

A) degree: 10; leading coefficient: 8
B) degree: 9; leading coefficient: -7
C) degree:9; leading coefficient: 8
D) degree: 10; leading coefficient: 1