Answer:
-3 1/5 < - 3 7/10
Step-by-step explanation:
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Inverse both sides

Multiply sides by 4



Subtract sides 8


Done...
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Answer:

Step-by-step explanation:
The depth function is:

After 3 minutes, a submarine had descended to −320 feet.
This means that
. So


After 8 minutes, the submarine had descended to −420 feet.
This means that
. So


From the first equation:

So





And

So

Answer:
Chemical
Step-by-step explanation: