What is F(x)=0.25x^2-2x in standard form and what are the roots and vertex

How to determine whether two known pairs of points are on the same line.

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet