Help please asap please l​

You wanted to look up information about alzheimer's, but you were unsure if it was spelled "alsheimer's" or "alzheimer's." which advanced search strategy would be useful? a) a boolean search b) using a wild card in your search c) trying different search engines d) doing a search for "alsheimer's not alzheimer's" asap. ill give brainlist.

To include a watermark or page border on a word document, you will first need to navigate to the tab. file home insert design

If an image has only 4 colors, how many bits are necessary to represent one pixel’s color?