20 Joseph ran a 6-mile race in 48 minutes. Which graph has a slope that best represents Joseph's average rate of speed during the race? lemi Joseph's Rate Joseph's Rate 10 Distance (miles) Distance (miles) 0 1 2 3 4 5 6 7 8 9 10 Time (minutes) 0 1 2 3 4 5 6 7 8 9 10 Time (minutes) Joseph's Rate Joseph's Rate Distance (miles) Distance (miles) 3 3 2 1 1 8.4B ( 0 1 2 3 4 5 6 7 8 9 10 Time (minutes) 5 6 7 8 9 10 Time (minutes)