Saved a. Determine the regression equation. (Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal places.) a = b. Estimate the selling price of an 9-year-old car (in $000). (Round your answer to 3 decimal places.) Selling price c. Interpret the regression equation (in dollars). (Round your answer to the nearest dollar amount.) For each additional year, the car decreases n valuo

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