Solve the Problem $\mathbf { u } = \langle - 5,7 \rangle , \mathbf { v } = \langle - 4,6 \rangle$

Multiple Choice

Solve the problem.
-If $\mathbf { u } = \langle - 5,7 \rangle , \mathbf { v } = \langle - 4,6 \rangle$ , and $\mathbf { w } = \langle - 11,2 \rangle$ , evaluate $\mathbf { u } \cdot ( \mathbf { v } - \mathbf { w } )$ .

A) $- 3$
B) $- 7$
C) $- 12$
D) 20