Hello my name is Berny.

  1. Hello my name is Berny.I have been learing slope for 1 week and my professor asked me a question that I don't know. here it
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    2. Berny asked by Berny
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  2. Berny has a 0.15-kilogram candle, a 1.00-kilogram jar, and a 0.25-kilogram candle holder. He places the candle and candle holder
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