What is the solution of the system of equations?

3x + 6y = –2
15x + 30y = –10

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.

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box