Heyyy, please answer :]

Find the equation using the point (4,8)

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

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.