Find $\mathbf{a} \cdot \mathbf{b}$. $\mathbf{a} = (7, -2)$, $\mathbf{b} = (5, 8)$ 51
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In this case, $\mathbf{a} = (7, -2)$ and $\mathbf{b} = (5, 8)$. Show more…
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