Dave found that about 8/9 of the students in his class have a cell phone. what percent of the students in his class do not have a cell phone

What is the vertical asymptotes of the function f(x)=x-2/x*2-3x-4

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.