Broadcasters use a parabolic microphone on football sidelines to pick up field audio for broadcasting purposes. a certain parabolic microphone has a reflector dish with a diameter of 14 inches and a depth of 4 inches. if the receiver of the microphone is located at the focus of the reflector dish, how far from the vertex should the receiver be positioned?

Suppose g(x) = f(x + 3) + 4. which statement best compares the graph of g(x) with the graph of f(x)?

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.

Compute the standard deviation of the following set of data to the nearest whole number. 10, 10, 15, 20, 25