Evaluate $2 \times 2$ Determinant $$\left| \begin{array} { r r } - 2 & - 5 \\- 1 & - 9\end{array} \right|$$

Multiple Choice

Evaluate $2 \times 2$ determinant. $$\left| \begin{array} { r r } - 2 & - 5 \\- 1 & - 9\end{array} \right|$$

A) 13
B) 20
C) -5