Sean says that to add a number to -100 and still have -100 is to add a zero. Candice says that she can add 2 numbers to -100 and still have -100. Who is correct and why?

Sean because zero added to anything is the same answer.

Step-by-step explanation:

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.