Here is an expression which contains the + operator in several places on the RHS of an assignment statement (and we don't need to know anything about the shaded variable on the LHS to answer the question): someVar= '1' + '2' + '3'

In this expression:

a. the + operator represents string concatenation.
b. the + operator represents addition.

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.