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What provides an explanation for the presence of mitochondria and chloroplasts in present day cells?
answered
May 16, 2018
Biology
high-school
2
votes
66.1k
views
You cut square corners with side lengths that are whole numbers from a piece of cardboard with dimensions 20 inches by 30 inches. You then fold the cardboard to create a box with no lid. Which of the following
answered
Jan 27, 2018
Mathematics
high-school
2
votes
159k
views
The length of a square is 2x+3. write and simplify an expression for the perimeter of the square
answered
Jun 14, 2017
Mathematics
middle-school
5
votes
84.4k
views
Which best explains how the structure of the office of the president helps fulfill the office’s role? A The office is led by the chief of staff, who serves as a key adviser to the president. B The office
answered
Mar 2, 2017
History
high-school
3
votes
14.0k
views
Which was a fundamental element of supply-side economics? corporate tax hikes economic deregulation marginal tax hikes tax hikes strengthen economic regulations
answered
Sep 7, 2016
Social Studies
high-school
5
votes
4.3k
views
Jason inherited a piece of land from his great-uncle. Owners in the area claim that there is a 45% chance that the land has oil. Jason decides to test the land for oil. He buys a kit that claims to have
answered
Jan 15, 2016
Mathematics
high-school
3
votes
154k
views
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