Which describes the difference between the two sequences? First Sequence: 5, 10, 20, 40 ... Second Sequence: 8, 15, 22, 29, ... The first sequence is geometric because there is a common ratio of 2. The second sequence is arithmetic because there is a common difference of 7. The first sequence is geometric because there is a common difference of 2. The second sequence is arithmetic because there is a common ratio of 7. The first sequence is geometric because there is a common difference of 7. The second sequence is arithmetic because there is a common ratio of 2. The first sequence is arithmetic because there is a common difference of 2. The second sequence is geometric because there is a common ratio of 7.