14) -75 + 215 = 140
The missile went 140 meters above sea level
15) 20 + 5 - 7 + 9 = 27
The will begin the fourth down on the 27 yard line
16) 4 - 6 + 10 - 7 = 1
17) He traveled a total of 19 meters.
11 + 4 + 4 = 19
He started at 11, traveled 4 below the surface, then 4 more to return to the surface
18) A fish was 15 meters below sea level. He swam 3 meters up, 7 meters down, then 1 meter up again. How many meters below the surface is he now?
15 - 3 + 7 - 1 = 18
Hope this helps you
-AaronWiseIsBae
