Who knows what 50x50+90 divided by 101

Let w=23 . what is the value of w + 45 ?

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.

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2