Solve the System by the Method of Substitution $$\left\{ \begin{array} { l } x ^ { 2 } - y = - 6 \\8 x - y = 6\end{array} \right.$$

Multiple Choice

Solve the system by the method of substitution. $$\left\{ \begin{array} { l } x ^ { 2 } - y = - 6 \\8 x - y = 6\end{array} \right.$$

A) $( 2,42 )$
B) $( 6,30 )$
C) $( 6,30 ) , ( 2,42 )$
D) $( 6,42 ) , ( 2,10 )$
E) no solution exists