You bought a car worth $35,000. You want to make sure you trade it in to the dealer before the care is worth less than $20,000. In about how many years will you need to trade in the car?

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?