Plss help! A architect wants to create a rectangular room in a house. He wants it to have a total area of 245 square feet, and it should be 6 feet longer than it is wide. What dimensions should he use for the room? Round to the nearest hundredth of a foot.

The change in water level of a lake is modeled by a polynomial function, w(x). described how to find the x-intercepts of w(x) and how to construct a rough graph of w(x) so that the parks department can predict when there will be no chage in the water level. you may create a sample polynomial of degree 3 or higher to use in your explanations.