Can someone me find the slope for this equation?

When turned about its axis of rotation, which shape could have created this three-dimensional object?

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

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.