VERY HARD QUESTION WILL GIVE BRAINLIEST PLEASE HELP ASAPP

You can find the constant of proportionality by finding the ratio of

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

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