It would be 12 because if you divide 9 by 3/4 also known as .75 (by dividing 3 over 4) you get 9. In the picture is an example of what the dividend divisor and quotient are. Hope this helped! If not, you can ask me
The practical domain would be all integers 10 to 50.<span />
The angle measures in any triangles add up to 180 degrees