Evaluate the expression.
-$$\mathbf { r } = \langle 7 , - 5 , - 3 \rangle , \mathbf { v } = \langle 2,4 , - 5 \rangle , \mathbf { w } = \langle 1,7,5 \rangle$$
$\mathbf { v } \cdot \mathbf { w }$
A) $\langle - 14,20 , - 15 \rangle$
B) $\langle 2,28 , - 25 \rangle$
C) 14
D) 5

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The Answer of Evaluate the expression.
-$$\mathbf { r } = \langle 7 , - 5 , - 3 \rangle , \mathbf { v } = \langle 2,4 , - 5 \rangle , \mathbf { w } = \langle 1,7,5 \rangle$$
$\mathbf { v } \cdot \mathbf { w }$
A) $\langle - 14,20 , - 15 \rangle$
B) $\langle 2,28 , - 25 \rangle$
C) 14
D) 5

Evaluate the Expression r=⟨7,−5,−3⟩,v=⟨2,4,−5⟩,w=⟨1,7,5⟩\mathbf { r } = \langle 7 , - 5 , - 3 \rangle , \mathbf { v } = \langle 2,4 , - 5 \rangle , \mathbf { w } = \langle 1,7,5 \rangler=⟨7,−5,−3⟩,v=⟨2,4,−5⟩,w=⟨1,7,5⟩

Evaluate the Expression $\mathbf { r } = \langle 7 , - 5 , - 3 \rangle , \mathbf { v } = \langle 2,4 , - 5 \rangle , \mathbf { w } = \langle 1,7,5 \rangle$