Final answer:
The basketball game ended at 11:00 am.
Step-by-step explanation:
The basketball game lasted for 1 hour and 45 minutes, starting at 9:15 am. To find out when it ended, we can add 1 hour and 45 minutes to the starting time.
9:15 am + 1 hour = 10:15 am
10:15 am + 45 minutes = 11:00 am
So, the basketball game ended at 11:00 am.
Learn more about Basketball game duration