If lynn can type a page in p minutes, what piece of the page can she do in 5minutes

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?

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

Can someone explain to me how to do