Answers by David Ostrovsky
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Answers by David Ostrovsky

Answers by David Ostrovsky
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Which one of these exhibits a notochord at some stages of its development? A brittle star A tapeworm A cat A hydra
answered Dec 21, 2017
1 vote
179k views
The circle below is centered at the point (-3/4) and has a radius of length 3 what is its equation??
answered Nov 5, 2017
4 votes
177k views
Which of the following sentences are punctuated correctly? -The girl, walked over to the table on which lay the book, and, without a moment’s hesitation. Picked it up and walked out of the room. -The girl
answered Sep 4, 2017
6 votes
19.4k views
In ____________, the government is completely controlled by the national government. a.federalism a unitary system a republic a monarchy
answered Jun 26, 2017
3 votes
35.1k views
Verify: sin(x+y)-sin(x-y)=2cosxsiny
answered May 12, 2017
6 votes
6.2k views
What adds up to -3 and multiplies to -54
answered Feb 9, 2016
3 votes
148k views
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