What is the equation for the graph?

Which expression gives you the distance between the points (5,1)and(9,-6)

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

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5