PLEASE HELP ASAP!! WILL MARK BRAINLIEST!!!

Answer:
1. 42, 66
2. 17, 21
3. 12, 9
4. 25, 30
Step-by-step explanation:
1. goes up by 6, 12, 18, then 24
2. goes up by 4 each time
3. goes down by 3 each time
4. goes up by 1, 2, 3, 4, then 5
hope this helps ^^