Deshaun does a weekly exercise program consisting of cardiovascular work and weight training. Each week, he exercises for at least 12 hours. He spends at most 7 hours doing cardiovascular work. He spends at most 9 hours on weight training. Let x denote the time (in hours) that Deshaun spends doing cardiovascular work. Let y denote the time (in hours) that he spends on weight training. Shade the region corresponding to all values of x and y that satisfy these requirements. 13- 11

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