The time taken by an average swimmer to swim 100 meters, free style, at age x years is given by t(x) = 0.181x2 – 8.463x + 147.376 seconds. According to this model, which of the statements below is correct?

1. a right triangle is graphed on a coordinate plane. find the length of the hypotenuse. round your answer to the nearest tenth. 2. use the angle relationship in the figure below to solve for the value of x. assume that lines a and b are parallel and line c is a transversal.

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take