What are the zeros for the function f(x) separate your solution using commas f(x)=(x-9)(x+1)

How to do this , and can some one explain

In an improper fraction, is the numerator equal to, less than, or greater than the denominator

You have a square piece of cardboard that measures 14 inches on each side. to build a box, you cut congruent squares out of each corner of the cardboard. use the picture to find the area of the cardboard you were used to build the box