Which variable expression matches the word phrase? Column A Column B

  1. the sum of 12 and the quotient of 9 and a number
  2. the difference of 12 and the product of 9 and a number
  3. the difference of 12 and the quotient of 9 and a number
  4. 12 more than quotient of a 9 and number
A12 (9 ÷ y)
B12 – (9 ÷ y)
C12 – 9y