Ch 1 Section 3 homework explanations

For questions 1 and 2 watch this explanation video from today.

p. 21 number 3 

p. 21 number 6

p. 21 number 9

p. 21 number 12

p. 22 number 15

p. 22 number 18 

p. 22 number 21

p. 22 number 24

p. 22 number 27

p. 22 number 30

p. 22 number 33

p. 22 number 36