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Answers by Calle

Answers by Calle
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Which of the following best explains why air pollution that was once blamed for global cooling is now considered responsible for global warming? a. Pollution began reflecting sunlight and heat rather than
answered Jan 12, 2018
1 vote
30.1k views
Which equation represents the line that passes through the point (7, -12) and is perpendicular to the y-axis? y = 7 y = -12 x = 7 x = -12
answered Aug 15, 2017
6 votes
14.0k views
The expression 40x^2 – 65x + 50 represents the sum of the interior angles of a regular pentagon in degrees. If the interior angles of the pentagon are equal, what expression represents the measure of two
answered Mar 6, 2017
3 votes
122k views
A bag contains 4 blue, 4 red, and 4 green marbles. Four marbles are drawn at random from the bag. How many different samples are possible which include exactly two red marbles?
answered Dec 13, 2015
3 votes
166k views
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