Final answer:
The most common legal distance for parking a motorcycle from the curb is 12 inches, but this can vary by location so it's important to check local traffic laws.
Step-by-step explanation:
The distance that your motorcycle may be parked from the curb generally has a legal limit to ensure the roadway remains unobstructed for other vehicles. While the specific distance can vary by location, the most common legal distance is: 12 inches (option b). This is the allowable maximum distance from the curb for parking a motorcycle in many jurisdictions. Always check with local traffic laws as regulations may differ depending on the city or state.