What is the answer to the question i put a square around it.

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

What are the triple angle formulas? is it related to double angle identities?

The constant of is the value that relates two variables that are directly or inversely proportional. a.discrete function b.independent variable c.variation d.function notation