Quizz results should include which questions you got wrong and what are the right answers, so that you can learn from your mistakes. I don't think it says anywhere that if you fail a quiz that you have to totally repeat that unit. 57 lessons in a unit is way too many, you need more units and less time between quizzzes. Your final exam guestions were not linked to the important concepts and a few seemed totally separate from this course. Muffler question???
7 years ago
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