This is the 3534th most frequent Russian word.
решают
"Decide" or "solve."
Here, 'решают' is used to indicate the action of solving, particularly mathematical problems, by the students.
Студенты решают задачи на уроке математики.
The students are solving problems in the math class.
In this sentence, 'решают' signifies the action of discussing and deciding on important matters during a meeting.
Важные вопросы решают на собрании.
Important issues are being decided at the meeting.
Here, 'решают' refers to the act of planning or making a decision about a choice for their vacation.