Step-by-step explanation:
all these are the answers of your question
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A service call charge or fee is when you are charged a certain amount of money in order for a service technician to perform that specfic service.
3.75 pounds in 60 ounces. :)
The answer should be 6 I.e 6^1 as with indices rules you need to subtract the powers (-3-(-4)) which equals 1