Presumably, she has a priority order of courses that are most important to her. For example, courses that start a prerequisite sequence for her intended major are likely the most important.
If she has AP scores that may give advanced placement, check for each major what advanced placement is allowed. UC Berkeley Letters and Sciences AP Credit Policy - #3 by ucbalumnus is a summary for L&S majors with links, but since it is a few years old, the department web sites should be used to verify in case there have been changes since then. For other divisions (CoE, CoC, CNR, CED, Business), go to the division-level web site to find AP score policies.
If unsure whether to take advanced placement with an AP score, consider trying the old exams of the courses that are allowed to be skipped: Exam and Syllabus Database - Tau Beta Pi, California Alpha Chapter