The length of a side of an equilateral triangle is x-4.5. first express it's perimeter as a sum next express it's perimeter as a product. explain why the two expressions are equivalent.

Is the following relation a function? x y 1 4 −1 −2 3 10 5 16 yes no

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?

Ribbon a is 1/3 meters long. it is 2/5 meters shorter than ribbon b. what's the total length of 2 ribbons?