Oz=4.5lb what is the answer not sure

6(2x+y)+2(x+4y) how can i solve this

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

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.