D. Solve what is asked:
1. Insert four arithmetic means between 1 and 14
2. Insert five arithmetic means between 14 and 86.
3. Insert three anthmetic means between -18 and 1
4. insert four arithmetic means between 12 and -3
5. Insert one arithmetic mean between 24 and 68. Such a number is called the atsishmenic niean of the no mumbers.​