The owner writes a line of best fit equation, shown below, to model the relationship between profit earned and month. y=2,500x-2,500
Explain how you know that the line of best fit equation is appropriate. Be sure to mention both the slope and -intercept in your response.

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?

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Is it greater than or less than7*3_9*2