Hello hello anybody want brainliest

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

When y’all answer can y’all explain too !

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