Math crossword puzzle

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Across
  1. 5. the final points and snap of a figure after a transformation or series of transformations
  2. 7. a closed figure in which all endpoints are equidistant from a central point
  3. 8. a line where two faces of three dimensional figures meet
  4. 12. a number being in an addition problem
  5. 16. the measure of a closed shapes surface
  6. 18. an event that includes every other outcome in the sample space
  7. 20. the process of combining two or more numbers together to get a total
  8. 23. the first term in a ratio
  9. 26. the collection of all inputs
  10. 27. the answer to a subtraction problem
  11. 28. a figure formed by two rays that share a common endpoint
  12. 29. a group of one or more outcomes
  13. 30. a product of decreasing factors
  14. 31. the arithmetic average
  15. 32. an instrument that is used to draw circles or arcs
  16. 33. a percentage of the original price
  17. 35. the rightmost digit of a date value
  18. 36. the measures of the distance around a circle
  19. 37. the point where a line crosses an axis integers all whole numbers and their opposites no fractions or decimals
Down
  1. 1. a special prism in which every face is square
  2. 2. a line segment whose endpoints are on the circle
  3. 3. three sides and thee angles
  4. 4. has 4 equal sides
  5. 6. the first number in a subtraction problem
  6. 9. the number being divided
  7. 10. a value substituted into an equation
  8. 11. any collection of facts or information
  9. 13. the value that occurs the most often
  10. 14. the outer two numbers of a proportion
  11. 15. a three dimensional figure that has one circular base and a curved surface that connects the base to the figure's only vertex
  12. 17. a number that shows how many times a base will be used as a factor
  13. 19. a flat surface of a three dimensional figure
  14. 21. a polynomial with two terms
  15. 22. a six sided polygon
  16. 24. the number that the dividend is divided by
  17. 25. a nine sided polygon
  18. 34. a seven sided polygon