Which description best describes the solution to the following system of equations? y = −2x + 3 y = −x + 6

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

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