Which polygon is a convex heptagon?

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?

This graph shows a portion of an odd function. use the graph to complete the table of values. x f(x) −2 −3 −4 −6

Use long division to indentify (12xto the second power+15x-8)divided by 3x