Please help me out with this one

In the coordinate plan (-6,9) b (3,9) c (3,3) def is shown in the coordinate plan below

Simplify the expression 10/11(22z) + (a+5) -1

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.