Final answer:
Safety equipment for boats over 12m includes lifejackets, a bailer, and a sound signaling device to ensure well-being and allow distress signaling in emergencies.
Step-by-step explanation:
The question pertains to the safety equipment required on boats over 12 meters in length. According to safety guidelines and regulations, larger recreational vessels are often required to carry specific safety gear to ensure the well-being of those on board. For boats over 12m, the correct answer is: Lifejackets, a bailer, and a sound signaling device. This combination is essential to address various safety concerns such as flotation for individuals, the ability to remove water from the vessel, and the means to signal distress in case of emergency.