Answer:
Step-by-step explanation:
The answer is A
Its 58.9875 so about $59
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(4,52) would be the ordered pairs.
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Answer: 
Step-by-step explanation:
Given
Propane produced heat energy of 
The volume of the tank is 
The energy produced by this propane tank is

7ab + 5 is going to be the answer because I solved it and that's the answer