-6(-5r+4)+7, equivalent expression

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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 is the inverse of the function f(x) = 2x + 1?

An octagonal prism has jow many lateral faces?