Your uncle wants to design a water sprinkler that will cover a field of 75 square meters. this field is in the shape of a sector of a circle of radius 5 meters. through what angle should the sprinkler rotate?

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

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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?