The measure of an angle is x. the sum of the measure of this angle and an angle with twice the measure is the measure of an obtuse angle. given the range of possible measures for the larger angle

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?

If i have one apple and give you the apple, how many apples do i have?

What is the rate of change of a line that passes through (2,-5) and (6,-2)?