Roseanna is working her problems from yesterday's assignment, and here is what she has down for the current problem she is working 23 - 5 = 4 (1)
(722 – 5) 3
4. (2)
23 - 5 = 4
(3)
20 - 5(+5) = 4 (+5) (4)
를 을
(5)
z = or 4.5 (6)
9
22
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?

If the discriminant if a quadratic equation is 4 which statement describes the roots?

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.