below is the graph of a trigonometric function. it has a maximum point at (1.5,3.2) and a minimum point at (4.7,-1.6). what is the midline equation of the function

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?

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76