PLEASE HELP I NEED THIS TODAY!!

Use the distributive law to multiply. 3(4x + 5y + 6)

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.

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*