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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.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps