Graph's and shaps

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Across
  1. 1. does not change
  2. 4. factor shared by two numbers
  3. 7. same size or shape
  4. 11. a letter or number that represents numerical quality attached to a term
  5. 14. a graphical representation of data
  6. 15. the branch of math with numbers and letters
  7. 16. a set of numbers or objects that follow a pattern
Down
  1. 2. value always an positive number
  2. 3. an angle whose measure is is between 0 to 90 degrees
  3. 5. 2 rays sharing the same endpoint
  4. 6. space taken up by an object or shape
  5. 8. the bottom of a shape
  6. 9. real number on the base of ten standard number system
  7. 10. numericals 0-9
  8. 12. shape
  9. 13. represents data