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Which system of linear inequalities is represented by the graph? !

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle