2. The same rectangle is drawn, but the 10 was replaced with the variable b. Which expressions would describe how to calculate the area of this rectangle?
b
3
5
13(5 + b)
05(3 + b)
05b + 15
115 + 5b
J3 • 5 + 3b

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?

How do you determine whether a relationship represented as as graph is linear or nonlinear

What is the slope of the line that contains the points (-2,1) and (0,-3)