If a rectangle has a perimeter of 70, a length of x and a width of x - 9, find the value of the length of the rectangle.

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Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.

Which choice has the correct steps in graphing the solution set to the following inequality? -45_> 20x-5y