Answer each of the following. If there are 8 distinct points on a plane with no three of which are collinear, how many different line segments can be formed? 1. 2. In a volleyball game, each team must play with all the other teams. How many games will there be? 3. In how many ways can a committee of 5 be selected from 8 persons? In an amateur singing contest, in how many ways can a singe choose 2 songs from 5 songs? 4.

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