Someone help. Simplify: (1/a)^3

Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic. org

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?

Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.