Math crossword puzzle

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Across
  1. 5. a straight line from the center to the circumfrence of a circle or sphere
  2. 8. the length of any great circle, the intersection of its sphere with any plan passing through it
  3. 10. of proportionality value of the ratio between two proportional quantities
  4. 11. price
  5. 12. the quantitative relaion between two amounts
  6. 13. a fraction whose denominator is a power of ten and whose numerator is expressed by figures placed to the right of a decimal point.
  7. 14. a rate for one of something
  8. 17. a numerical quantity that is not a whole number
  9. 18. lists of numbers showing the results of a calculation with varying arguments
  10. 19. ratios that are the same when we compare them
  11. 20. original figure multiplied by the same number
Down
  1. 1. the ratio between the scale of a given original object and a new object
  2. 2. a mathematical relationship or rule expressed in symbols
  3. 3. a diagram showing the realtion of variable quantites
  4. 4. the process of dividing a matrix, vector, or other quantity by another under specific rules to obtain a quotient.
  5. 6. the process of combining matrices, vectors, or other quantities under specific rules to obtain their product.
  6. 7. does not stay the opposite varible we value
  7. 9. a special ratio in which the two terms are in different units
  8. 15. An actual place or object
  9. 16. as twice the length of the radius of a circle