Write a quadratic function f whose zeros are 13 and 2.

Out of $20$ creepy-crawly creatures in a room, $80\%$ are flies and $20\%$ are spiders. if $s\%$ of the total legs belong to spiders, what is $s$?

Heather is riding a quadratic function that represents a parabola that touches but does not cross the x-axis at x=-6

If wxyz is a square, which statements must be true?