Use Cramer's Rule to Solve the System of Equations $$\begin{array} { l } 6 x - 7 y = 77 \\4 x - 4 y = 48\end{array}$$

Multiple Choice

Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set.
- $$\begin{array} { l } 6 x - 7 y = 77 \\4 x - 4 y = 48\end{array}$$

A) $\{ ( 6 , - 4 ) \}$
B) $\{ ( 7 , - 4 ) \}$
C) Cramer's rule does not apply since $\mathrm { D } = 0 ; \varnothing$
D) $\{ ( 7 , - 5 ) \}$