How should you group the following expression to make it easiest to add? 18 − 949 + 79 − 8(1 point)

Responses

(18 − 8 − 9)

(18 − 8) + (−9 4/9 + 7/9)

(8 − 18) + (4/9 + 7/9)

(18 − 9 − 8) + (−4/9 + 7/9)

The expression should be grouped as (18 - 9 - 8) + (-4/9 + 7/9) to make it easiest to add.

To group the following expression to make it easiest to add, you should choose the option (18 − 8) + (−9 4/9 + 7/9).