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Six years ago, Robert’s age was . A = Robert’s present age Which expression models this situation?
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Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .
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Trent wants to buy 2 packs of trading cards for 3 dollars each. the trading card packs that trent normally buys tend to come in packs of 6, 10, 12, or 15 cards. after selecting 2 packs, trent found that the first pack of cards cost 25 cents per card, and the second pack cost 30 cents per card. trent uses this information to write the equations below in order to compare c, the number of cards in each pack.
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The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years
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Six years ago, Robert’s age was . A = Robert’s present age Which expression models this situation?...
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