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Mathematics, 20.12.2019 10:31 MiaZo5869

Aplumber charges a service call fee of $25 plus $40 for each hour she works. which variable is the independent variable?

a. the total cost of the plumber's services for a service call

b. the number of hours the plumber works on a service call

c. there is no relationship between the variables

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Aplumber charges a service call fee of $25 plus $40 for each hour she works. which variable is the i...
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