What is the best estimate of the correlation coefficient for the scatterplot below?.

Which of these international trade concepts results in specialization and trade increases in total world output? a) absolute advantage b) balance of payments c) absolute advantage d) international tariffs

Registrars maintain high a. standardized tests b. faculty payrolls c. transcripts d. sporting facilities

Which object has the least amount of kinetic energy? a. a car driving down a road b. a soccer ball rolling down a hill c. a bicycle locked to a bike rack d. a satellite orbiting earth