What is the equation of the line in point slope form with slope - and passes through the point (-3, -8)

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

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?

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.