Answer:
Factors of 9: 1, 3, 9
Factors of 12: 1, 2, 3, 4, 6, 12
GCF: 3
Multiples of 5: 10, 15, 20, 25, 30, 35, 40
Multiples of 3: 6, 9, 12, 15, 18, 21, 24, 27, 30
LCM: 30
Step-by-step explanation:
