Solve the System by the Best Method $$\left\{ \begin{array} { l } 5 x + 6 y = 8 \\5 x + 6 y = 11\end{array} \right.$$

Multiple Choice

Solve the system by the best method. Use set notation to express the solution set.
- $$\left\{ \begin{array} { l } 5 x + 6 y = 8 \\5 x + 6 y = 11\end{array} \right.$$

A) $\{ ( 6,5 ) \}$
B) $\{ ( 5,6 ) \}$
C) $\{ ( 1,1 ) \}$
D) no solution; $\varnothing$