I think A is 145m...
200m+ (-55m) since the submarine is under water it will be negative which ends up to be 145m
16-9=7
I am pretty sure that is what yo are asking for right?
Answer:1375
Step-by-step explanation:
X= 15 is given
X squared is 15x15 = 225
1600 - 225= 1375
