Answers by Rolf Staflin
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Answers by Rolf Staflin

Answers by Rolf Staflin
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Over 100 existing elements are listed and classified on the
answered Nov 17, 2020
4 votes
137k views
Which colonial regions economy was largely based on the transportation of slaves from Africa to the British colonies?
answered Sep 29, 2020
5 votes
225k views
Shawna is practicing typing. She types 456 words in 10 minutes.If she types the same number of words each minute how many words per minute did shawna type.? Between what two whole numbers does your answer
answered Jul 3, 2020
3 votes
41.5k views
Please help!! 30 points!! The American Veterinary Association claims that the annual cost of medical care for dogs averages $100, with a standard deviation of $30, and for cats averages $120, with a standard
answered Jun 14, 2020
3 votes
178k views
Some historians argue that the French Revolution was more liberating than the American Revolution. What might be the basis for this argument? More people died in the American Revolution. The American Revolution
answered Dec 14, 2019
3 votes
62.8k views
before 1825 there was no way to travel by water across New York State between New York City and Buffalo. True or False?
answered Nov 17, 2019
3 votes
167k views
The dimensions of a large broken window are 12 2/3 feet wide and 8 1/3 feet tall. How many square feet of glass are required to replace the window? a) 105 5/9 b)97 c)21 d)96 2/9
answered Apr 26, 2019
3 votes
168k views
You are standing 200 feet from a tall building. The angle from you feet to the top of the building is 51 degrees
answered Apr 4, 2019
6 votes
40.0k views
What event happened in 1786 that helped increase the population of Louisiana?
answered Jan 19, 2019
4 votes
33.2k views
When choosing people to write recommendation letters for you,selecting a teacher that you had as a___was often best. A.junior B.sophomore C.junior high student D.freshman
answered Dec 19, 2018
6 votes
14.5k views
A red string of holiday lights blinks once every 3 seconds,while a string of blue lights blinks every 4 seconds.how many times will both sets of light blink at the same Time in 1 minute?
answered Nov 8, 2018
6 votes
79.4k views
Chloroplasts are energy organelles found in
answered Jun 26, 2018
4 votes
198k views
Trying to understand the estimate sum of 87+34 I know the answer is 121 and we rounded to 120 but how do I round the 87 and 34 I put 87=90 and 34=30 which will make 120 still but I thought anything higher
answered May 5, 2018
6 votes
74.5k views
Which of the following is true about most state constitutions A. Delegated powers are thoroughly described in most state constitutions** B. most state constitutions are longer than the U.S. constitutions
answered Mar 6, 2018
1 vote
12.7k views
Emma borrowed $300 to repair her car. the finance (interest) charge on the loan was $20, and the term on the loan was 14 days. what was the apr for emma's loan? (popup calculator)
answered Mar 2, 2018
3 votes
65.7k views
The parts of the cell that are common to all eukaryote cells are
answered Dec 5, 2017
2 votes
180k views
Can you explain the structure of a conclusion and introduction as simplest as possible? Provide a example please. Worth 37 points :)
answered Sep 20, 2017
4 votes
74.3k views
Vertex of the parabola whose equation is y = x2 6x 2.
answered Apr 7, 2017
2 votes
230k views
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