Please help i dont know how to answer this

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.

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

How can you tell when x and y are not directly proportional?