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Four squared equals what?
asked
Nov 10, 2017
Mathematics
high-school
2
answers
3
votes
228k
views
An engraving machine costs $28,000 with a residual value of $1,900. The machine is expected to have a useful life of 150,000 hours. The machine is used 15,000 hours the first year and21,000 hours the second
asked
Oct 5, 2017
Mathematics
high-school
1
answer
2
votes
110k
views
which revolution led to the development of these civilizations? industrial, green, Neolithic, or commercial?
asked
Jun 22, 2016
History
high-school
1
answer
3
votes
131k
views
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