Answer:
6, 12, 18
Step-by-step explanation:
3-- 3, 6, 9, 12, 15, 18, 21...
2-- 2, 4, 6, 8, 10, 12, 14, 16, 18, 20...
C. Conmutative Property
1) It is the trickiest door to open
5.01 FLVS
f(-1)=6
11/12 can't be simplified.