1/3 of 6 and 2/3 of 6

1/3 of 6 = 2.

2/3 of 6 = 4.

Step-by-step explanation:

6/3 = 2, so one third of 6 =2.

To get 2/3 we do 1/3 *2 so in this case we can do 2 * 2 to get 4

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

correct answer:

b.(19,-2)