write two proper fractions whose denominators are not the same, but whose least common denominator is 12 pls google won't help

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

Twice the sum of a number and 2 is equal to three times the difference of the number and 8. find the number.

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