Which number is not a common factor of 15 45 90

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.

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

Find the domain of the following expression: 1/(√x)-2