Maths

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Across
  1. 2. the study of shapes
  2. 5. the study of data analysis and graph
  3. 7. The point where coordinate axes intersect
  4. 8. mathematics where alphabets are used
  5. 9. can be controlled with a knob
Down
  1. 1. the difference in two terms
  2. 3. the product of two numbers
  3. 4. it can be eaten but also used in maths
  4. 6. space between two lines