Jasmine bought 2 pounds of apples at $3 per pound and 4 pounds of bananas at $1 per pound. Write an algebra expression

Of four points are collinear, they are also coplanar

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?

What is the common difference for this arithmetic sequence? -6,-2,2,6,10 a.4 b.5 c.3 d.6