Math crossword puzzle

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Across
  1. 2. A segment which joins two consecutive vertices
  2. 3. an electoral system whereby voters rank candidates in order of preference.
  3. 7. to divide/ allocate
  4. 10. total number of anything in a certain area
  5. 13. specialized series of steps
  6. 14. A path that begins and ends at the same vertex
Down
  1. 1. manipulate the boundaries of an electoral constituency so as to favor one party or class
  2. 4. The minimum number of votes
  3. 5. A path that contains all the arcs of a directed graph exactly once.
  4. 6. the number your diving by
  5. 8. A chain of communication that send and receive messages of various types.
  6. 9. endpoint of an arc
  7. 11. a single-winner election method in which voters rank options or candidates in order of preference.
  8. 12. the number of votes cast for a candidate who receives more than any other but does not receive an absolute majority.