All of the following solid figures except have two congruent, parallel bases.
cube
cylinder
rectangular pyramid
heptagonal prism

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?

Is the figure congruent? yes or no?

The points (1, 7) and (0, 2) fall on a particular line. what is its equation in slope-intercept form?