The question is in the image can someone help

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Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

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.

Which statement best explains why ben uses the width hi to create the arc at j from point k