6. The area of a rectangle can be represented by the expression x2 - 7x - 18. If the length is represented by the expression (x + 2), what is the width in centimeter? Write your answer in a
complete sentence.

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?