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

question 247

Multiple Choice

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

• A) 35
• B) 12
• C) 3
• D) 8

---

Definitions:

Carbon Atoms

The chemical element with atomic number 6, forming the basis of organic life with its ability to form stable, complex molecules.

Secondary Amine

An organic compound where two alkyl or aryl groups are attached to the same nitrogen atom, not including the hydrogen.

Nitrogen Atom

A chemical element with the symbol N and atomic number 7, it is a common element in the universe and essential for all known forms of life.