Find 3 fractions between 1/5 and 2/5

Toyland is having a sale. all items are 20% off. how much will you save on an item that usually sells for 95$ explain your

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find 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?