Final answer:
Mutual funds, bonds, and retirement funds are all long-term investments.
Step-by-step explanation:
The long-term investments among the given options are:
- Mutual funds: Mutual funds consist of a diversified group of stocks or bonds and are designed for long-term investment. Investors buy shares of a mutual fund and receive returns based on the fund's overall performance.
- Bonds: Bonds are debt securities issued by corporations or government entities. They typically have a long-term maturity date, making them suitable for long-term investment.
- Retirement funds: Retirement funds, such as Individual Retirement Accounts (IRAs), are specifically designed for long-term investment to support individuals' retirement goals.