Answers by Matt Mangold
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Answers by Matt Mangold

Answers by Matt Mangold
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Which colorless, odorless, poisonous gas is produced when tobacco burns? A)carbon dioxide) B) carbon oxide) C)carbon trioxide) D)carbon monoxide)
answered Oct 19, 2020
1 vote
158k views
What event prompted President Wilson to send troops into Mexico in 1916?
answered Oct 10, 2020
5 votes
169k views
A plumber and a builder were employed to fit a new bath, each working a different number of hours. The plumber earns 35 per hour, and the builder earn 28 per hour. Together they were paid 330.75, but the
answered Mar 22, 2020
6 votes
138k views
Identify the GCF of 10x^4y^3 − 5x^3y^2 + 20x^2y.
answered Nov 5, 2019
5 votes
148k views
John missed 4 out of 10 questions on the test, so he scored ___. Answer needs to be in fraction, decimal and percentage
answered Oct 30, 2019
2 votes
205k views
Carol has only 20p and 10p coins in her purse she has three times as many 20p coins and 10p coins if Carol has ?4.20 altogether, how many 20p coins does she have
answered Apr 4, 2019
2 votes
210k views
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