1 Chapter 2, section 7, page 37

 1.1 problem 1.a
 1.2 problem 1.b
 1.3 problem 1.c
 1.4 problem 1.d
 1.5 problem 1.
 1.6 problem 3.a
 1.7 problem 3.b
 1.8 problem 5.a
 1.9 problem 5.b