If you give right answer then I will give brainiest

Answer:
See below
Step-by-step explanation:
LCM OF 9, 15 = 45
LCM OF 2, 3, 5 = 30
LCM OF 12, 28 = 84
Answer:
well For me
Step-by-step explanation:
The first one is 3
The second one is 30
The last is 4