Do the points in this set form a proportional relationship? Why or why not? {(-3, -9), (1, -1), (3, 3), (6,9)}

A)Yes, because the line connecting the points is a straight line.

B)Yes, because the line connecting the points passes through the origin.

C)No, because the line connecting the points is not a straight line.

D)No, because the line connecting the points does not pass through the origin.

Paint color preference children adults total 0.6 0.77 liked new paint color disliked new paint color 0.4 0.15 0.23 total 1.0 1.0 1.0 which value for x completes the conditional relative frequency table by column?

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?

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.