Open source software is distributed for free and then users pay for updates to the software true or false? ​

Are special combinations of keys that tell a computer to perform a command. keypads multi-keys combinations shortcuts

Why is investing in a mutual fund less risky than investing in a particular company's stock? a. mutual funds only invest in blue-chip stocks. b. investments in mutual funds are more liquid. c. mutual funds hold a diversified portfolio of stocks. d. investments in mutual funds offer a higher rate of return.

When is it most apprpriate for a development team to change the definition of done