Find the time
1. 6 h 35 m before 9:30 a.m.
2. 2 h 20 m before 4: 15 p.m.
3. 9 h 25 m after 6:45 a.m.
4. 7 h 15 m after 1:38 a.m.
5. 5 h 55 m before 12:50 a.m.
Find the elapsed time between each of the following
1. 4:10 p.m. and 8:05 p.m.
2. 7: 21 a.m. and 12:00 noon