Day 72 in Mat120

Reminder: pizza tomorrow, on Janet!
No new worksheet.
No (new) problems to return
No quiz opportunity. (No more quiz opportunities!)
Role
Collect section 7.5 problems
Questions on old stuff?
Section 7.6:
- worksheet study questions (section summary)
- Problems:
  - On the board: #8 and 52; 34 and 38; 49; 54

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