Tuesday

February 21, 2017
Total # Posts: 6

**earth science**

How are trenches related to plate boundaries? How are trenches explained by the theory of plate tectonics?

*January 20, 2011*

**Earth Science**

Using the plate tectonic theory explain the differences between the continental shelves on the east and west coasts of South America.

*January 20, 2011*

**algebra**

Solve each quadratic by using the wuadratic formula and round the answer to the nearest hundredth, if possible. 1. x^2 = 9 2. 0 = 3x^2 - 8

*January 19, 2011*

**earth**

Compare the patterns of earthquakes, colcanoes and mountain ranges on Earth.

*December 6, 2010*

**Math**

Someone earns 6% commission on the value of each house he sells. His commission on a sale was $8700. What was the value of the house?

*December 1, 2010*

**algebra**

x:12 - x = 10:30 Solve for x.

*November 22, 2010*

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