Use Cramer's Rule to Solve the System $$\begin{aligned}6 x - 7 y - z & = - 53 \\x - 8 y + 9 z & = 19 \\- 3 x + y + z & = 11\end{aligned}$$

Multiple Choice

Use Cramer's rule to solve the system.
- $$\begin{aligned}6 x - 7 y - z & = - 53 \\x - 8 y + 9 z & = 19 \\- 3 x + y + z & = 11\end{aligned}$$

A) $\{ ( 2,8,9 ) \}$
B) $\{ ( 8,9,8 ) \}$
C) $\{ ( 2 , - 8 , - 9 ) \}$
D) $\{ ( 3,6,9 ) \}$