Answers by Sean Lin
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Answers by Sean Lin

Answers by Sean Lin
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Melanie and Joseph are raising money for their class trip to the zoo. They each need $30 to pay for the trip and are selling boxes of cookies for $4 each to earn the money. Joseph has sold 5 boxes and
answered Sep 3, 2019
4 votes
107k views
Which ordered pair is the solution to the system of linear equations -5x+y=26 and 2x-7y=16? (–4, 6) (6, –4) (–4, –6) (–6, –4)
answered Aug 22, 2019
0 votes
57.5k views
Which word identifies a large natural or human-made lake used to supply water?
answered Feb 9, 2019
4 votes
23.5k views
Lila forgot the security code for her apartment building. The code is two different digits followed by a capital letter. How many different possible codes are there?
answered Dec 24, 2018
3 votes
228k views
How do you get figure 1 to 2?
answered Jul 2, 2018
4 votes
194k views
Scientists believe that the Earth's early atmosphere lacked __________ gas because photosynthetic organisms did not yet exist.
answered Feb 25, 2018
4 votes
93.5k views
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