Need help can’t get this question wrong. Am I doing this right. And how would I write this. When I get the answer. Very confused

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.

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

Add the fractions and simplify 1/2+ 1/3