Mathematics, 01.12.2020 18:40, idontknow1993

When a plumber is called, the cost of the service call is $50 for him to show up at your house, plus an additional $25 per hour. What is the slope ?
y is the total cost of the service call and x is the number of hours the plumber is at your home

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When a plumber is called, the cost of the service call is $50 for him to show up at your house, plus...