Find the degree of the mononmial 4d^4e

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 the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

Which numbers have the same absolute value? choose all that apply. asap will mark at brainliest