Find A· B
- $$a = \langle - 4 , - 1 \rangle , \quad b = \langle 5.5,3 \rangle$$

question 154

Multiple Choice

Find a· b.
- $$a = \langle - 4 , - 1 \rangle , \quad b = \langle 5.5,3 \rangle$$

• A) \(\langle 1.5,2 \rangle\)
• B) \(- 25\)
• C) \(- 19\)
• D) \(\langle - 22 , - 3 \rangle\)

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