The sub dives 37 feet....thats -37...it rises 16 ft....-37 + 16 = -21...then dives 18 ft.....-21 - 18 = - 39 ft
so the net change is -39 ft
I think it’s x>=-3
That means greater than or equal to btw :)
Answer:
I think it's 10 or 10.5 not sure
Step-by-step explanation: