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Question 19. Version 1*/1. Score: 0/1 Write the system of equations as an augmented matrix - 10z + 3b = 300 2m - Z 250 3z + 6 150 Score: N/A/1 Had help available: Video [71 Post to forum Question 20. Version 1*/1. Score: 0/1 -2 -5 250 Write the augmented matrix as a system of equations - A ! 1 400 = = Score: N/A/0.083 N/A/0.083 N/A/0.083 N/A/0.083 N/A/0.083 N/A/0.083 N/A/0.083 N/A/0.083 N/A/0.083 N/A/0.083 N/A/0.083 N/A/0.083 Post to forum Question 21. Version 1*/1. Score: 0/3 MAY