1. six students are standing in line at the
theatre. they are: shawn, aisha, brian,
emily, armand, and ferhan. brian is beside
ferhan. shawn has only one person beside
him. brian is last in line. the two people
whose names begin with the same letter are
not standing together. emily is behind aisha.
determine the order in which the six students
are standing

What is the slope of the line shown below?

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?

What is the missing step in this proof ?