5x+2y=7
7x-2y=5 its subtract not add
This is a very challenging equation but I'll try my best!
<span>y-k=a(x-h)^2

</span>
Adam made an error of 400 meters
Explanation:
Since, submarine traveling 200 meters below the surface of the ocean
and when the depth increases by 45 meters then submarine new location is
meters below from the surface of ocean.
But Adam says that new location is at -155 meters.
So, error is,
meters
Learn more:
https://brainly.in/question/13000874
Answer:
76 percent done.
Step-by-step explanation:
Reasoning for this if its 76/100 you know that it will be 76. Or im Just got confused.