When solar energy is converted to thermal energy, how is the thermal energy used ? check all that apply to provide air conditioning to cool refrigerators to heat spaces in buildings to heat water

The electronics aboard a certain sailboat consume 50 w when operated from a 12.6-v source. if a certain fully charged deep-cycle lead acid storage battery is rated for 12.6 v and 100 ampere hours, for how many hours can the electronics be operated from the battery without recharging?