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28/21 = 42/x solve for x A: 14 B: 18 2/3 C: 31 1/2 D: 56 i cant figure out what it is, and im slightly confused
asked
Dec 17, 2018
Mathematics
middle-school
2
answers
0
votes
200k
views
Which of the following is the best definition of half-life for a radioactive substance?
asked
Sep 24, 2018
Chemistry
high-school
2
answers
1
vote
52.2k
views
How are populations ecosystems and communities alike
asked
May 15, 2018
Biology
middle-school
1
answer
2
votes
47.8k
views
Can someone help with 21 and 22
asked
May 10, 2018
Mathematics
middle-school
1
answer
0
votes
16.7k
views
What english ruler broke with the Catholic Church because he want to divorce his wife? A) Henry 5th B) Edward 2nd C) Henry 8th D) Charles
asked
Nov 19, 2017
History
middle-school
1
answer
1
vote
135k
views
after the civil war , freedmen in the south had difficulty improving their economic conditions because ?
asked
Mar 5, 2017
History
high-school
1
answer
1
vote
57.9k
views
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