1. Solve the following. 1. Find the 100th term of 4, 9, 14, ... 2. The second term of an arithmetic sequence is 24 and the fifth term is 3. Find the first term and the common difference. 3. Give the arithmetic sequence of 5 terms if the first term is 8 and the last term is 100. 4. Find the value of x if the arithmetic mean of 3 and 3x + 5 is 8. 5. Find the value of a when the arithmetic mean of a + 7 and a + 3 is 3a +9. 6. Find the sum of odd integers from 1 to 100. 7. In the geometric sequence 6, 12, 24, 48, ..., which term is 768? and its fourth term is 3. What is the first term? 3 8. The second term of a geometric sequence is ity 9000​