Posted by **Kaitlyn** on Sunday, September 30, 2012 at 3:51pm.

A board is leaning against a building so that the top of the board reaches a height of 18 feet. The bottom fo the board is on the groung 4 feet away from the wall. What is the slope of the board as a positive number?

- algebra -
**Andrea**, Sunday, August 7, 2016 at 4:39pm
m=rise/run

=18/4

=9/2

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