Jack tried to define a rotation. . For the center point C. the image C" is at the same point as c . For a point P that is not at C. a rotation of about point C creates point P' such that CP =CP and m_PCP' = 0 What mistake did Jack make in his definition of a rotation?

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20% of 120 is 24. if you subtract 24 from 120 you get 96

nope

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it would open into a square depending on the type of envelope i’m not sure about the second part

answer: c.  

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mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.