Final answer:
Mariah Carey differs from previous icons in terms of genre, success, and vocal style.
Step-by-step explanation:
Mariah Carey differs from previous icons in several ways. Firstly, she is a contemporary pop music icon, whereas previous icons may have belonged to different genres or eras. Secondly, Mariah Carey has achieved incredible success and popularity in the music industry, breaking numerous records and having numerous hit songs. Finally, Mariah Carey is known for her powerful vocal range and melismatic singing style, which sets her apart from previous icons.