week 9 assignment 3 new

Lesson 1
part a
https://docs.google.com/document/d/1RF6xoNmzunqDPICqzViHzFsFMmDajFdZ_D3yA3AY_yc/edit
part b
https://docs.google.com/document/d/1pFeIdGRQn8vr3IwesqcSjZq45OtzFN3OUqBGSjtsJkc/edit

Lesson 2
part a
https://docs.google.com/document/d/18WTpyPqwTgPGHrdeY_rhZwB1bbh3jDb1YW16SOhM7x8/edit#
part b
https://docs.google.com/document/d/1CeCcMj7U5XErYFIthFIERM0bg7T5OFwTJwP_bsiHB2Q/edit#heading=h.twfb7voyu1bk

Lesson 3
https://docs.google.com/document/d/1BZvPCss77vFp0XZeG0VdDaZfKNPJSxfYUOTLCoz7rK4/edit