What is the meaning os slpoe in math and give an example for

y=2x-1; (-2,2)

Two researchers are attempting to create a new psychotherapy protocol that more reduces panic attacks. they believe that they have succeeded and are now in the clinical trial period of their protocol's development. they are working with several cohort groups, some of which have been through the new protocol, while others have done the standard protocol currently recommended. if these researchers are interested in evaluating the difference in the percentage of test subjects who successfully decreased their panic attacks in 2 months on the new protocol versus the percentage of test subjects who successfully decreased their panic attacks in 2 months with the traditional protocol, which of the following statistical tests would be most appropriate? a. analysis of variance (anova) b. correlation c. chi-square test d. paired t-test e. independent t-test

At school 460 of the students walk to school the number of students who take public transit is 20% of the number of students who walk. how many students take public transit

Hdtv screens usually have a width-to -height ratio of 16: 9. which screen dimensions are in the same proportion?