84 = 4(1– 49)

please give an explanation

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 a correct first step in solving the inequality-4(3-5x)> -6x+9

Me i'm timed right now! a. (0,-5)b. (0,-3)c. (0,3) d. (0,5)