What is the y-intercept for this equation in standard form, 2x - 2y = 8?
(0,4)
(0,8)
(0,-4)
(0,-2)

Which expression is equivalent to 2x^2+7x+4?

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?

Find the perimeter of the figure shown above. a. 40 cm c. 52 cm b. 60 cm d. 75 cm select the best answer from the choices provided