Welcome to Westonci.ca, your ultimate destination for finding answers to a wide range of questions from experts. Experience the ease of finding reliable answers to your questions from a vast community of knowledgeable experts. Experience the ease of finding precise answers to your questions from a knowledgeable community of experts.

What are the next three terms in the sequences below?
1. 2, 5, 7, 12, ,
2. 9, 11, 20, 31,
3. 2, 5, 10, 50,
4. 1, 3, 3, 9,