Answers by Marc Cals
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Answers by Marc Cals

Answers by Marc Cals
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In the early and mid-1800s, much of the Southern economy depended on
answered May 21, 2018
3 votes
140k views
NEED ANSWER ASAP PLEASE!!! Which of these elements has four valence electrons? (A). hafnium (Hf) (B.) radon (Rn) (C.) silicon (Si) (D.) sulfur (S)
answered Apr 15, 2018
3 votes
230k views
John and 3 friends are going out for pizza for lunch. They split one pizza and 4 large drinks. The pizza cost $13.00. After using a $6.00 gift certificate, they spend a total of $13.20. Write an equation
answered Nov 27, 2017
4 votes
114k views
One thing explorers were looking for on their voyages was?
answered Jun 4, 2017
3 votes
218k views
Find the slope of a line that passes through (-2, -3) and (1, 1)
answered May 18, 2017
3 votes
183k views
Which is bigger 1,600 oz or 10 lb
answered Jun 27, 2016
3 votes
108k views
If a is multiplied by -1/2 the graph of the new equation is
answered Apr 22, 2016
4 votes
226k views
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