Find the first four terms in the sequence.

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

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

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

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

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?

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

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

Evaluate the arithmetic series.

Evaluate the geometric series.

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

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