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

a. 12 (9 : y)

b. 12 - (9 : y)

c. 12 - 9y

1. the sum of 12 and the quotient of 9 and a number

The responder's answer is not given but it can be 12 + (9 / n)

2. the difference of 12 and the product of 9 and a number

The responder's answer would be c. 12 - 9y

3. the difference of 12 and the quotient of 9 and a number

The responder's answer would be b. 12 - (9 : y)

4. 12 more than quotient of a 9 and number

The responder's answer would be a. 12 + (9 : y)