Answer to a problem (6++2) is called

The answer to an expression/equation is called the solution(the solution to this problem is 3)

Step-by-step explanation:

1) The problem is an expression (it is not an equation because there is no equal sign)

2) The answer is known as the "Solution

3) the actual answer to the expression is 3 because

(6+7)-(8+2) = 13-10 = 3

the functions have the same rate of change i think. i narrowed it down to this answer and "the rate of change of tour 1 is greater" but i got it wrong using that answer so im assuming its the answer above. (this is a question i also answered from the iready site if anyone needs a reference)