1. 1.a Answer.1.b Answer.1.c Answer.1.d Answer.1.e Answer.1.f Answer.1.g Answer.1.h Answer.1.i Answer.1.j Answer.1.k Answer.
3. 3.a Answer.3.b Answer.3.c Answer.3.d Answer.3.e Answer.3.f Answer.3.g Answer.3.h Answer.3.i Answer.3.j Answer.3.k Answer.3.l Answer.3.m Answer.3.n Answer.
7. 7.a Answer.7.b Answer.7.c Answer.7.d Answer.7.e Answer.7.f Answer.7.g Answer.7.h Answer.7.i Answer.7.j Answer.7.k Answer.7.l Answer.7.m Answer.7.n Answer.
6. The number of divisors function. 6.a Answer.6.b Answer.6.c Answer.6.d Answer.6.e Answer.6.f Answer.6.g Answer.