Answers by NKol
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Answers by NKol

Answers by NKol
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Which major mathematical idea did the Aztecs develop?
answered Nov 9, 2017
4 votes
147k views
Why is oxygen an element ? a it is essential to life b it burn c it combines with hydrogen d it cannot be broken down into a simple substance through chemical means
answered May 24, 2017
4 votes
77.1k views
Part of the proceeds from a garage sale was $370 worth of $10 and $20 bills. If there were 7 more $10 bills than $20 bills, find the number of each denomination
answered Dec 26, 2015
5 votes
109k views
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