Ms. ledbetter wants to determine if the new review activity she developed will improve student performance on unit exams. she randomly separates 160 students into two groups. group a reviews for the unit exam in the traditional manner they have always used. group b participates in the new review activity. after reviewing, both groups are given the same unit exam and their scores are compared. identify the independent and dependent variables for this experiment.

Jonathan purchases a comic book over the phone. the store does not promise a particular time in which the comic book will be shipped to jonathan. after 40 days, the comic book has not been shipped. do state or federal laws protect jonathan's rights in this case? what is the name of the law? select the best answer from the choices provided. a. federal law; the implied warranty of merchantability b. state law; the implied warranty of merchantability c. federal law; the mail and telephone order rule d. state law; the mail and telephone order rule

U.s. foreign aid incudes all the following programs excepta. humanitarian aidb. military assistancec. cycle of dependency grantsd. development aid

What film is responsible for the creation of the pg-13 rating?