How much of the circle is shaded? Write your answer as a fraction in simplest form. 1/3 4/7

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

The graph of a hyperbola is shown. what are the coordinates of a vertex of the hyperbola? (0, −4) (−3, 0) (0, 0) (0, 5)