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A playground is represented on a coordinate grid. The swing set, jungle gym, tire swing, and slide have the following locations: The swing set is at (−4, 2) . The jungle gym is at (5, 2) . The tire swing is at (5,−4) . The slide is at (−4,−4) . Samir runs from the swing set, then to the jungle gym, then to the tire swing, then to the slide, and then back to the swing set. Each unit on the grid represents 1 yard. What is the total distance Samir has run? Enter your answer in the box.