9.57 rounded to nearest tenth

Find the x coordinate of the point.

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.

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.