A2kg chicken takes 15 minutes plus 25 minutes per 500g to cook. how long do i need to cook it for?

Did the universe cool off or get hotter as it expanded after the 'big bang"?

17 a tourist was planning a trip by car for travelling at some constant speed for 2.5 hours. however, he found that if he increases the speed by 20 km/h he can cover the same distance in 30 minutes less time than it was planned. what was the planned speed of the tourist, in km/h?

Three important things a musician must do for a superior performance. essay