If CD = 4, ED = 8, and BD = 16, what is the length of AD​

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.

If you could answer these your a life saver

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did