Answer:
C
Step-by-step explanation:
A parabola is set of all points in a plane which are an equal distance away from a given point and given line. The point is called the focus of the parabola and the line is called the directrix.
i cant answer if i dont know how much books she wants to donate
you mulitply 25 then divide it by 5 and add in the variable
hope it helps
