Can someone help with me this. I have no idea how to go about it

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.

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

Factor and solve to find roots x squared -x - 90 =0