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Answers by Extols

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Which compound was abundant in Precambrian Earth’s oceans, before complex life evolved on Earth? A. dissolved oxygen B. dissolved carbon dioxide C. dissolved methane D. dissolved ammonia
answered Apr 26, 2019
5 votes
141k views
Which of the following rational numbers is equal to 4 point 2 with bar over 2? 35 over 9, 36 over 9, 37 over 9, 38 over 9
answered Nov 29, 2018
6 votes
154k views
Need help thank you
answered Nov 23, 2018
4 votes
154k views
Madelyn cut a 60-inch pipe cleaner into two unequal pieces, and then she used each piece to make a square. The sum of the areas of the squares was 117 square inches. Let x be the length of one piece. Write
answered Sep 24, 2018
2 votes
175k views
What are two purposes for the celebration of cinco de mayo?
answered May 29, 2018
3 votes
10.3k views
For an investment in a stock, the probability of the return being –10.0% is 0.3, 10.0% is 0.4, and 30.0% is 0.3. given the probability distributions, what is the expected rate of return for the investment
answered Mar 2, 2018
3 votes
1.8k views
Which term applies to the group of people qualified to vote in the United States?
answered Sep 5, 2017
4 votes
83.1k views
When is taking a zero percent APR option more beneficial than a large rebate?
answered Jul 11, 2017
3 votes
61.1k views
____ is a layer of organic sediment
answered Feb 25, 2017
5 votes
186k views
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