Find the first four terms in the sequence.

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

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

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?

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

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

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

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

Find the first four terms in the sequence.

Find the missing terms in the arithmetic sequence: 99, ____, ____, 75

Jerry deposited $20,000 on an investment that will give $1,750 for every year that his money stays in the account. How much money will he have in his account by the end of year 8?

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

Evaluate the geometric series.