Culminating puzzle

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Across
  1. 5. A plane curve generated by a point moving so that its distance from a fixed point is equal to its distance from a fixed line
  2. 6. common factor The largest integer that divides without remainder into a set of integers
  3. 7. The practice or science of collecting and analyzing numerical data in large quantities
  4. 11. An algebraic expression of the sum or the difference of two terms
  5. 12. An amount, as of goods, services, or money
  6. 13. The middle number (in a sorted list of numbers)
  7. 14. A point where two or more lines meet
Down
  1. 1. Trigonometry
  2. 2. The branch of algebra that deals with quadratic equations
  3. 3. The extent to which something is probable
  4. 4. The number which appears most often in a set of numbers
  5. 8. An algebraic expression of three term
  6. 9. A quantity of something
  7. 10. The management of large amounts of money
  8. 11. Order of operations
  9. 13. The quotient of the sum of several quantities and their number; an average