Answer:
See Below
Step-by-step explanation:
Trend for line one: (+3) 9,12,15,18,21,24
Trend for line two: (+2) 4,6,8,10,12,14
Trend for line three: (+1 alternating each number) 1,8,2,9,3,10
Trend for line four: (+7 for alternating numbers) 2,11,9,18,16,23
2+7=9
11+7=18
9+7=16
18+7=23
Number: 912-810-310-1623
Let me know if this works, I can revise it if there are any issues. Thanks