Final answer:
Bill Gates is a billionaire and the co-founder of Microsoft. He is also known for his philanthropic efforts through the Bill & Melinda Gates Foundation.
Step-by-step explanation:
The statement about Bill Gates that is correct is that he is a billionaire. Bill Gates is famously known as the co-founder of Microsoft, one of the most successful technology companies in the world. Gates has also established the Bill & Melinda Gates Foundation, under the leadership of CEO Jeff Raikes and Co-chair William H. Gates Sr., which strives to improve global health and education, demonstrating his role as a philanthropist rather than a doctor, lawyer, or teacher.
Microsoft Corporation is a multinational technology company known for developing, licensing, and selling a wide range of software products, hardware devices, and services. Founded in 1975 by Bill Gates and Paul Allen, Microsoft has become one of the largest and most influential technology companies globally.
Therefore the correct answer is 3) He is a billionaire.