Afarmer wants to fence in a section of land for a horse pasture. fencing costs $31 per yard. how much will it cost to fence the pasture?

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?