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Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct
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Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?
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The volume of an unknown substance in a sealed glass jar is 50 milliliters. the volume of the jar is 200 milliliters. which state of matter could the substance be?
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In the reaction given in problem 5, 80.0 mL of 2.0 M HCl would react with how many grams of aluminum...
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