Solve the System by the Substitution Method $64 x^{2}+81 y^{2}=5184$ $9 \mathrm{y}+8 \mathrm{x}=72$

Multiple Choice

Solve the system by the substitution method.
- $64 x^{2}+81 y^{2}=5184$
$9 \mathrm{y}+8 \mathrm{x}=72$

A) $(0,-9) ,(0,-8)$
B) $(0,-8) ,(-9,0)$
C) $(0,8) ,(9,0)$
D) $(0,9) ,(8,0)$