State if the sequence is arithmetic, geometric, or neither: 2, -6, 12, -15, ...

Find the missing terms in the geometric sequence: 4, ___, ___, 108, ...

Find the number of terms in the sequence: 4, 7, 10, 13, ..., 103.

Find the first four terms in the sequence.

Write the recursive formula for the geometric sequence: -3, -1.5, -0.75, ...

Write the explicit formula for the arithmetic sequence: 34, 28, 22, 16, ...

Find the first four terms in the sequence.

Find the 37th term of the arithmetic sequence: 11, 16, 21, 26, ...

Evaluate the arithmetic series.

Find the next three terms in the sequence: 1, 3, 6, 10, 15, ...

There is a stack of logs in the backyard. There are 15 logs in the first layer, 14 in the second, 13 in the third, 12 in the fourth, and so on with the last layer having one log. How many logs are in the stack?

Find the number of terms in the sequence: 0.25, 1, 4, ..., 262144