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Which set is closed under subtraction? the set of whole numbers the set of natural numbers the set of rational numbers the set of irrational numbers
answered
Oct 11, 2018
Mathematics
high-school
4
votes
218k
views
Why is it more difficult to estimate heritability in humans than in livestock or laboratory animals?
answered
Sep 2, 2018
Biology
high-school
4
votes
72.6k
views
In describing the problems created by the Articles of Confederation, George Washington said, “...we are one nation today and 13 tomorrow. Who will treat with us on such terms?” Which of the following most
answered
Aug 5, 2018
History
high-school
7
votes
145k
views
Which statement describes the role of phloem within a plant? A) It transports food to all the parts of the plant both upwards and downwards. B) It transports water to all the parts of the plant only in
answered
May 25, 2018
Biology
high-school
4
votes
178k
views
How would a find a rule for this cubic function? X-axis intercepts of 1, 3 and -1 Y-axis intercept of -6
answered
Apr 28, 2018
Mathematics
high-school
1
vote
187k
views
What resources have brought great wealth to some of the countries of North Africa?
answered
Jun 23, 2017
English
high-school
7
votes
208k
views
Which two principles are the foundation of every State’s constitution?
answered
Feb 17, 2017
History
high-school
4
votes
81.0k
views
What is the next number of the pattern. 2 7 26 101 400
answered
Jul 11, 2015
Mathematics
high-school
3
votes
154k
views
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