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In the following passage from Great Astronomers by Robert Stewall Ball, the author states that he will trace the developments in astronomy from the time of Ptolemy to the nineteenth century. Based on the
answered
Feb 28, 2017
English
high-school
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Factor. v2 – 25 A. (v – 5)2 B. (v – 5)(v – 5) C. (v + 5)(v – 5) D. (v2 – 5)2
answered
Jan 22, 2016
Mathematics
high-school
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