6 The graph shows the linear relationship between the total sales and the amount of items purchased from the local Dollar Store.
Items Purchased
10
Total Sales
Which equation best represents the relationship shown in the
graph?
A) y = 2x + 1
B) y = -2x + 1
C) y = -x +32
D) y=x-2

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?

Which of the following are accepted without proof in a logical system? check all that apply.

What is the equation of the line in point-slope form? y+ 4 = 1/2(x+4) y-4 = 1/2(x + 4) y-0 = 2(x - 4) y-4 = 2(8-0)