Problems in bold require full solutions! Problems denoted with a * are possible triad questions.
Chapter 18 in Silberberg:
# 18.33, *18.47, 18.60, [18.148], 18.163
Chapter 19 in Silberberg:
# *19.11, [19.54], 19.56, 19.108
sushi: 19.127
Read sections 19.1 and 19.2 in Silberberg