Write an equation in point slope form of a line that passes through the given point and has the given slope.

Trigonometry hellllllpppppppp asap

Which is the completely factored from of xy^3-x^3y

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?