IU Select the correct answer. What is the product of (7) (-16)(-7)(-1) O A. --7 O B. - 26 oc/ OD. 2

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?

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Answer each of the questions for the following diagram: 1. what type of angles are these? 2. solve for x. what does x equal? 3. what is the measure of the angles?