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You have 48 grams of a radioactive kind of xenon. if it's half life is 9 hours, how much will be left after 18 hours?
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You are designing a rectangular pet pen for your new baby puppy. you have 30 feet of fencing you would like the fencing to be 6 1/3 feet longer than the width
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Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?
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Madeline takes her family on a boat ride. going through york canal, she drives 6 miles in 10 minutes. later on as she crosses stover lake, she drives 30 minutes at the same average speed. which statement about the distances is true?
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You have 48 grams of a radioactive kind of xenon. if it's half life is 9 hours, how much will be lef...
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