Sec. 4.1

• IN-CLASS WORK, ​#9-16

• IN-CLASS WORK, #53.

Sec. 4.2

• IN-CLASS WORK #24​

• IN-CLASS WORK #25

• IN-CLASS WORK #31

Sec. 4.9

• IN-CLASS WORK #26 and #27​

• IN-CLASS WORK #29

• IN-CLASS WORK #32 f. part (i), and part (v).