Seudónimo Seudónimo 10-08-2016 Mathematics contestada Which variable expression matches the word phrase? 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 A. 12 + (9 ÷ y) B. 12 – (9 ÷ y) C. 12 – 9y please help me