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Which graph represents the following piecewise defined function?

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

Atruck can be rented from company a $50 a day plus $0.60 per mile. company b charges $20 a day plus $0.80 per mile to rent the same truck. find the number of miles in a day at which the rental costs for company a and company b are the same