terms of 8th grade mathmatics

1234567891011121314151617181920
Across
  1. 3. - space inside a 3D object
  2. 5. - lines that never meet
  3. 11. - likelihood of an event
  4. 14. - power to which a number is raised
  5. 15. - identical in size and shape
  6. 16. - positive or negative whole number
  7. 17. - the average of numbers
  8. 18. - famous theorem about right triangles
  9. 20. - most frequent value in data
Down
  1. 1. - input-output relationship
  2. 2. - number in front of a variable
  3. 4. - intersecting at 90 degrees
  4. 6. - closed shape with straight sides
  5. 7. - solution to an equation
  6. 8. - reference line on a graph
  7. 9. - distance from center to edge of circle
  8. 10. - longest side of a right triangle
  9. 12. - steepness of a line
  10. 13. - moving or changing a shape
  11. 19. - space inside a 2D shape