Which represents the solution(s) of the graphed system of equations, y = -x2 + x + 2 and y = -x + 3?

Which function is represented by the graph

Sketch one cycle if the cosine function y=2cos2theta

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.