Am i the only one awake at 1 am listening/jamming to my music lol

The measure of the angles supplement is 30 more than four times that of its complement. find the measure of the angle described

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?

Analyze the forces acting on a cyclist who is slowing down as he or she climbs a hill