Is being an airforce pilot worth it

I want to know from you guys

You manage an equity fund with an expected risk premium of 10% and a standard deviation of 14%. the rate on treasury bills is 6%. your client chooses to invest $60,000 of her portfolio in your equity fund and $40,000 in a t-bill money market fund. what is the expected return and standard deviation of return on your client’s portfolio?

What is the difference between secure bonds and naked bonds?

When many scrum teams are working on the same product, should all of their increments be integrated every sprint?