Perform the Row Operation(s) on the Given Augmented Matrix A) $\left[ \begin{array} { r r | r } 5 & 30 & 55 \\ - 5 & 9 & - 6 \end{array} \right]$

Multiple Choice

Perform the row operation(s) on the given augmented matrix.
- $$\begin{array} { l } R _ { 2 } = 5 r _ { 1 } + r _ { 2 } \\{ \left[ \begin{array} { c c | c } 1 & 6 & 11 \\- 5 & 9 & - 6\end{array} \right] }\end{array}$$

A) $\left[ \begin{array} { r r | r } 5 & 30 & 55 \\ - 5 & 9 & - 6 \end{array} \right]$
B) $\left[ \begin{array} { r r | r } 1 & 6 & 11 \\ 0 & 39 & 49 \end{array} \right]$
C) $\left[ \begin{array} { r r | r } 1 & 6 & 11 \\ 0 & - 21 & - 61 \end{array} \right]$
D) $\left[ \begin{array} { l l | l } 5 & 30 & 55 \\ 0 & 39 & 49 \end{array} \right]$