Homework for 11/30/17

Purple & Blue (ST):
"4.3 challange #17/4.4 pract.c #17-20, 23
"OR #22" / "4.6 pract.b# 3-10, 21
Orange & Red (ACC):
"OR # 14"
p. 149 # 27-31
p.336  # 1-3, 18