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April 16, 2014

Homework Help: math

Posted by christine on Monday, August 15, 2011 at 1:43pm.

2. Simplify. Please be sure to show all of your work.
-3(-9) |-5 3


3. Simplify. Please show all of your work
9c^3+7c-(3c^3-12+c)

4. Solve 4x- 3(5x-8) =23-9(x+2) . Please show all of your work


5. Solve the following equation for z. Please show all of your work.
x=1/25(22z-9w)


6. Solve -14x -7(4-7) <(2x-15) . Write your solution using set builder notation. Please show all of your work
7.
Solve. Please show all of your work.
During one year, the Hills' real estate bill included $413 for miscellaneous services. Of this amount, 8% went to the local homeless shelter. How much money did the homeless shelter receive?

8. Solve. Please show all of your work.
Find the length and width of a rectangular lot with a perimeter of 108 meters if the length is 8 meters more than the width.

9. 9. Solve. Please show the algebraic inequality you used and show all of your work.
The Lido Company rents copy machines for a monthly charge of $300 + 10 cents per copy. The Lumsden Company rents copy machines for a monthly charge of $500 + 3 cents per copy. How many copies make the Lido Company more expensive than the Lumsden Company?

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