1) 7-5 = 2
2)-7+ 5 = -2
3) -7-5 = -12
4)7 - (-5) = 12
hope this helps! feel free to mark brainliest
The last choice: Running up a hill, then walking up a hill, turning around and running down the hill, then walking down the hill
21/30 simplifies to 2.1/3 so it's a little bit bigger
