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  3. if a = (-4, -8) and b= (-2, -6), find |2.5a - 3b|a

If a = (-4, -8) and b= (-2, -6), find |2.5a - 3b|A) 20B) 2?5C)...

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If a = (-4, -8) and b= (-2, -6), find |2.5a - 3b|A) 20B) 2?5C) -6D) 4?2

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Transcribed Image Text

If a = (-4, -8) and b= (-2, -6), find |2.5a - 3b|A) 20B) 2?5C) -6D) 4?2

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