Step 1: Understand the role of a financial manager.
A financial manager makes critical decisions regarding how to allocate financial resources. This includes decisions about investments, dividends, and overall financial planning.
Step 2: Evaluate the options.
- Financial decisions involve managing cash flows, securing funding, and ensuring profitability.
- Investment decisions involve identifying profitable opportunities.
- Dividend decisions involve determining how much profit should be distributed to shareholders.
Step 3: Conclude.
A financial manager is responsible for all these decisions to ensure financial growth and stability.
Final Answer:
\[
\boxed{\text{All of these}}
\]