What is the sum of the first 8 terms of the arithmetic sequence: 6, 10, 14, 18, ...?
160
Find the common difference ; -25, -15, -5, 5, 15, ...
10
Find the difference: 12, 16, 20, 24
4
Find the 10th term of the arithmetic sequence: 7, 13, 19, 25, ...
61
Find the sum of the first 15 terms of the arithmetic sequence: 2, 5, 8, 11,
345
What is the sum of the first 10 terms of the arithmetic sequence: 5, 9, 13, 17, ...?
230
Find the 12th term of the arithmetic sequence: 20, 15, 10, 5, ...
-35
What's the next number: 9, 15, 21, 27,
33
Find the 10th term of the arithmetic sequence: 15, 12, 9, 6, ...
-12
Find the 8th term of the arithmetic sequence: 4, 9, 14, 19, ...
39
Find the common difference: 15, 28, 41, 54, 67, ...
13
Find the 8th term of the arithmetic sequence: 3, 7, 11, 15, ...
31