- Hint for #4a Video Solution, problem 4 (starts 4:20)
- Hint for #5 Video Solution, problem 5
- Hint for #7 Video Solution, problem 7

- Hints for #1-2 Video Solutions, problems 1-2
- Hints for #3-4 Video Solutions, problems 3-4
- Hints for #5-6 Video Solutions, problems 5-6
- Hints for #7-8 Video Solutions, problems 7-8
- Hints for #9-10 Video Solutions, problems 9-10

- Hints for #1-2 Video Solutions, problems 1-2
- Hints for #3-4 Video Solutions, problems 3-4
- Hints for #5-6 Video Solutions, problems 5-6
- Hints for #7 Video Solutions, problem 7
- Hints for #8-9 Video Solutions, problems 8-9

- Hints for #1-2 Video Solutions, problems 1-2
- Hints for #3-4 Video Solutions, problems 3-4
- Hints for #5 Video Solutions, problem 5
- Hints for #6-7 Video Solutions, problems 6-7
- Hints for #8-9 Video Solutions, problems 8-9

- Hints for #1-3 Video Solutions, problems 1-3
- Hints for #4-5 Video Solutions, problems 4-5
- Hints for #6-7 Video Solutions, problems 6-7

- Hints for #1-3 Video Solutions, problems 1-3
- Hints for #4-5 Video Solutions, problems 4-5
- Hints for #6-7 Video Solutions, problems 6-7