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What are the center and radius of the circle described by the equation (x + 9)2 + (y + 4)2 = 36?
asked
Jul 27, 2017
Mathematics
high-school
1
answer
4
votes
111k
views
Cells have _ of enzymes to act as biological catalysts
asked
Jan 5, 2017
Biology
high-school
1
answer
4
votes
187k
views
What is 21000 rounded to the nearest ten thousand
asked
May 5, 2016
Mathematics
middle-school
1
answer
0
votes
101k
views
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