Final answer:
If you operate a motor vehicle in Washington State, you must have a valid driver's license, display valid license plates, and carry proof of insurance; hence, the answer is all of the above.
Step-by-step explanation:
If you operate a motor vehicle registered in Washington State, you are required by law to do the following:
- Have a valid driver's license, affirming your legal ability to drive.
- Display valid license plates, which show that your vehicle is registered with the state.
- Carry proof of insurance, ensuring that you are covered in the event of an accident and meeting state legal requirements.
Therefore, the answer to the student's question is option 4) All of the above. It's crucial for drivers to comply with these requirements not just for legal adherence but also for their safety and the safety of others on the road.