Cars lose value the farther they are driven. A random sample of $10$ cars for sale was taken. All $10$ cars were the same make and model. A line was fit to the data to model the relationship between how far each car had been driven and its selling price.
**Which of these linear equations best describes the given model?**
[[☃ radio 1]]
**Based on this equation, estimate the price of a car that had been driven $56$ thousand miles.**
$\$$ [[☃ numeric-input 1]] thousand dollars