Final answer:
A new teacher's best resource for instructional advice can be a mentor teacher, online forums, or professional development workshops. So the answer is 4) All of the above
Step-by-step explanation:
A new teacher's best resource for instructional advice can be a combination of several options. A mentor teacher can provide guidance and support based on their experience in the field. Online forums offer a platform for teachers to connect, share ideas, and seek advice from a wider community. Professional development workshops provide opportunities for new teachers to learn new instructional strategies and gain insights from expert educators.