Determine the slope of the line that contains the points e(5,4) & f(8,1).

50 ! pls ! 12.  building codes regulate the steepness of stairs. homes must have steps that are at least 13 inches wide for each 8 inches that they rise.

a. discuss how to find the slope of the stairs.
b. describe how changing the width or height affects the steepness of the stairs.

The measure of an angle is 117°. what is the measure of a supplementary angle?

Hi, can anyone show me how to do this problem? 100 points for this. in advance