The numbers increase by 4, 6, and 8. The nextnumber will increase by 10. So, it will be 30.12.Each figure adds a triangle and changes theorientation of the triangles. The next figure willhave five triangles with the same orientation asthe three triangles in the second figure.13.The numbers increase by 1, 2, 4, and 8, which arethe first four numbers in the sequence. The nextnumber will increase by the fifth number in thesequence, or 16. So, the next number will be 16 16 or 32.14.The numbers increase by 2, 3, 4, and 5. The nextnumber will increase by 6. So, it will be 18 6 or24.15.The numbers increase by 23. The next number willbe 323or 131.16.The numbers are multiplied by 12. The next number will be 11612or 312.17.The numbers are multiplied by 3. The nextnumber will be 54(3) or 162.18.The numbers are multiplied by 5. The nextnumber will be 625(5) or 3125.19.Each arrangement of blocks is formed by adding alevel of blocks to the bottom. The numbers ofblocks in the sequence are 1, 5, and 14.
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