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It takes Amanda x minutes to do her math homework. It takes Serena fifteen minutes longer than it does for Amanda. What is an expression for how long it takes Serena to do her homework?
asked
Jul 17, 2020
Mathematics
middle-school
1
answer
2
votes
25.6k
views
MORE THAN ONE ANSWER!! HELP>>> Why do scientists use models? A. Models make some things easier to understand. B. Measurements can be made only on models. C. Models help scientists visualize things they
asked
Jan 3, 2020
Chemistry
middle-school
2
answers
4
votes
70.2k
views
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