URGENT HELP PLEASE FOR 40 POINTS TO BRAINLIEST! List four different social networking tools and provide an example from each of how a company is leveraging the tool in its’ e-commerce marketing strategy.

True of false: the chancellor of a university has commissioned a team to collect data on students' gpas and the amount of time they spend bar hopping every week (measured in minutes). he wants to know if imposing much tougher regulations on all campus bars to make it more difficult for students to spend time in any campus bar will have a significant impact on general students' gpas. his team should use a t test on the slope of the population regression.