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18 less than 7 times a number is 80. what is the number?
answered
Dec 23, 2019
Mathematics
middle-school
4
votes
217k
views
Magnesium carbonate decomposition on heating to form magnesium oxide and carbon dioxide. how many grams of magnesium oxide will be formed if 20 grams of magnesium
answered
Sep 28, 2019
Chemistry
college
7
votes
94.9k
views
Which speaker is expressing a viewpoint that is most consistent with the principles of laissez-faire economics?
answered
Sep 26, 2019
History
high-school
3
votes
209k
views
What does confronting the squire reveal about Herbert's character
answered
Jul 16, 2019
English
high-school
4
votes
210k
views
Find the value of a. A. 36 B. 144 C. 54 D. 126
answered
May 4, 2019
Mathematics
middle-school
5
votes
198k
views
Carla has come across an example which has been used in her Ecology textbook three different times. How should Carla adjust her reading speed? a. Increase her speed because she already knows the example
answered
Apr 16, 2019
Social Studies
college
6
votes
146k
views
What are two equivalent fractions for 1/2
answered
Mar 1, 2019
Mathematics
college
1
vote
38.1k
views
In the combustion chamber of an engine, the initial volume is 450 cm3 at a pressure of 1.0 atmosphere. If the piston displaces 402 cm3 of the total, what is the resulting pressure in the combustion chamber?
answered
Jul 24, 2018
Chemistry
middle-school
3
votes
55.0k
views
Best answer tests always include the correct answer as one of the possible answer choices. true or false
answered
May 27, 2018
Health
high-school
4
votes
206k
views
What happens during the "create and nurture" phase of personality development? Choices: Middle-aged adults get satisfaction from helping younger people. Young adults learn to make commitments to other
answered
Apr 13, 2018
Health
high-school
7
votes
74.7k
views
The elevation at ground level is 0 feet. An elevator starts 90 feet below ground level. After traveling for 15 seconds, the elevator is 20 feet below ground level. Which statement describes the elevator's
answered
Apr 8, 2018
Mathematics
high-school
6
votes
48.0k
views
Which of the following would best express a straight-forward message? A. Song B. Speech C. Cartoon D. Photograph
answered
Dec 29, 2017
English
high-school
5
votes
19.9k
views
England believed her colonists had duties and responsibilities as citizens of the British Empire. True False
answered
Oct 22, 2017
Social Studies
high-school
4
votes
53.2k
views
How many people died in WWI ? Who was involved in the war? Why did it happen?
answered
Mar 27, 2017
History
middle-school
1
vote
181k
views
What is the least number of acute angles that a triangle can have?
answered
Jun 17, 2016
Mathematics
middle-school
2
votes
82.3k
views
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