7th grade

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find the sum or difference. write the answer in simplest form.

  • 7th grade math - incomplete -

    .

  • 7th grade -

    a fallen id lifted 5 meters with force of 15 N. how much work is done?

  • 7th grade -

    W=FxD
    W= 15N x 5m
    W=45 J

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