Notice that we have the constraint that volleyball has to start at 3:00 p.m. Therefore, the other 2 activities only have two options, 9 a.m., and 12 p.m.
The possible ways the activities can be arranged are:
[tex]BHV,\text{ and HBV.}[/tex]
Answer:
[tex]BHV,HBV.[/tex]
