Need help on this question asap please

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.

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15