4/5 of the money collected from a fundraiser was divided equally among 8 grades . what fraction of the money each grade received. using the 4 square method

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?

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

Which of the following will form the composite function?