1. is 5 dollars an hour
2.it represents the amount of money he gets in an hour
Sorry i could not help with 3 and 4
WE HAVE STEM BRAINS
<span>The cost of a service or item is an expense
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Answer:
The correct answer is B. Linear Relationship
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.
The 11th triangular number = 66