Explain how to calculate a number that is equal to 2.1/1.5.

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?

Find the value of x that will make l ll m

Which of the following shows the length of the third side, in inches, of the triangle below