Lok below answer the 2 questions plz giving brainliest

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?