What is the vertex for the graph of y-3=-(x+2)^2

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

It says factor each expression completely 8y+48

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