Plsss help i especially need 4 & 5 pls ill give brainliest to right answer

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

Which value of y will make the inequality y< -1 false?

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick