One software license model allows software to be freely distributed, downloaded, and installed without paying a license fee, but often requires a fee for support, training, or added functionality. What is the name of this model?

Before you enter an intersection on a green light make sure

In excel, what happens to the cell contents when you click and drag a cell into multiple cells?

Andy would like to create a bulleted list. how should he do this? andy should click on the bullet icon or select the bullet option from the menu and then type the list. andy should press the shift key and the 8 key at the beginning of each line of text. andy should type the text and then click on the bullet command. andy should press return and the bullets will automatically