Posted by **Amanda** on Monday, September 12, 2011 at 8:50pm.

Simplify the following expressions.

15. 5 (5w-4w)/10

17. 6a X 5b^2/3a^3

20. (4f + 13g) (2w)

- Chemistry -
**HM**, Monday, September 12, 2011 at 8:58pm
Where are your answers?

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