Simplify the expression by combining like terms 5x + 9y + 12 + x +2 (steps and tips also)

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.

Triangle knm is what is true about the sides of knm

Select the correct answer and solve for y