Find the Dot Product for the Pair of Vectors $- 5 \mathbf { i } + 7 \mathbf { j } , 13 \mathbf { i } - 6 \mathbf { j }$

Multiple Choice

Find the dot product for the pair of vectors.
- $- 5 \mathbf { i } + 7 \mathbf { j } , 13 \mathbf { i } - 6 \mathbf { j }$

A) $- 42$
B) $- 107$
C) $- 23$
D) $- 65$