They are essentially asking us to solve:

Solving this equation for x tells us that it will take around 80.1 years for the materials in the vault to reduce to 357 pounds.
Answer:
Two of those figures have a vertex.
Step-by-step explanation:
Hope this helped Mark BRAINLIEST!!!
The red one is (4.1) and the green one is (-2.4) because is positive to negative so the positive side is that you got and the negative part is you owe someone for example: -20 < 30 so if it says Emily goes to the store and the milk costs $30.99 and she only has $10.00 that means that she owes $30.00 so is -10 <30
Answer:
i not good at this but i think 2 6 18 54 could be the answer if not im so sorry
Step-by-step explanation:
Answer:
Definitely not a
Step-by-step explanation:
On “edge” it’s not a. I got it wrong and I failed with a 60