5(12-9) to the power of 2 divided by 3 minus 12 plus 8

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

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 function has a range {yly< 5}? question on picture above^