Answers by Niels Billen
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Answers by Niels Billen

Answers by Niels Billen
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What elements are in hydroxyapatite, ca5(po4)3oh, a major compound in human bones and teeth?
answered Dec 27, 2019
3 votes
57.9k views
a lady walk in a store steals a 100 bucks from the register with the owner not knowing.five minutes later she comes in and buys 70 dollars worth of goods with the stolen 100 and he gives her 30$ in change
answered Nov 15, 2019
6 votes
56.0k views
Hey can you please help me posted picture of question
answered Aug 31, 2019
3 votes
190k views
I need help on this question???
answered May 5, 2019
2 votes
77.4k views
Some scientists believe that restricting calories increases longevity by lowering the body's level of
answered Apr 14, 2019
3 votes
8.0k views
How did the actions of Peter the Great modernize and westernize Russia?
answered Jan 14, 2019
4 votes
141k views
How does paraphrasing help readers understand poetry? A. It inspires readers to come up with their own allusions, and paradoxes when reading poems. B. It helps readers understand what the meaning is behind
answered Nov 28, 2018
6 votes
97.9k views
Michael jogs 3,520 yards every day. What is the distance in miles that he will jog in 10 days? (1 mile = 1,760 yards)
answered Aug 4, 2018
7 votes
181k views
At the Constitutional Convention, delegates from northern and southern states disagreed about: A. whether the federal government should have the power to regulate slavery. B. whether enslaved people should
answered Jun 3, 2018
4 votes
35.2k views
The area of a square garden is 98m2. How long is the diagonal?
answered May 23, 2018
5 votes
178k views
Simplify: 8i^7+6i^5-5i^3-3i^2-7i-9
answered Feb 12, 2018
3 votes
88.1k views
What is the part of speech of the underlined word in the sentence? The mall is here Underlined word: is A preposition B adverb C adjective D verb
answered Jan 11, 2018
7 votes
156k views
Alex stocks up for winter. He buys 32 cans of vegetables. He pays 80 cents per can for tomatoes and 40 cents per can for corn, for a total cost of $18.00. How many cans of corn does he buy?
answered Mar 28, 2017
6 votes
122k views
Which of these is an appropriate instrument to measure mass? balance, burette, ruler, graduated cylinder
answered Feb 16, 2017
4 votes
214k views
Maisie counted her dimes. when she put them in groups of four she had two dimes left over. when she put them in groups of five she had one left over. what is the smallest number of dimes she could have
answered Jan 29, 2017
6 votes
28.2k views
Which of these early Chinese dynasty controlled the largest geographic area
answered Feb 8, 2016
6 votes
192k views
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