3/31/2020: sign in first and continue with your summary of Ch 3

attendance: https://forms.gle/bDiSpfEqrne1kPry8

I have moved the due date back to 4/10/2020 to reduce the workload. but those of you that can finish this week, finish it. Do what you can per day, but still need to show progress. Minimum 1 slide per day.