There sis blue that has 300 and pink that has 6 so what is the the answer

What is (28 + 7 + 6 + 3) x 1/2 show your work

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

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.