The distances traveled by the airplane varied no more than how many feet when interpreting the range of 21.75 feet and the interquartile range of 11?

Which fraction is not equivalent to 8/12 a. 2/3 b. 24/36 c. 4/10 d. 6/10

Triangle xyz has vertices x(1,3), y(0,0)

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤