After successfully completing analysis of a nebula in Astrometrics, Icheb asks Seven for more challenging assignments on the bridge, then states that he would like to study under Tuvok and Seven to pass the Starfleet Academy entrance exam. Seven offers to get a letter of reference from Captain Janeway.
Following successful completion of an analysis of a nebula in Astrometrics, Icheb asked Seven for more challenging assignments on the bridge. He then expressed his intention to study under Tuvok and Seven to prepare for the Starfleet Academy entrance exam.  Seven agreed to write a letter of recommendation for him from Captain Janeway.