Each of n keys in an array may have one of the values red, white, or blue. Give an efficient algorithm for rearranging the keys so that all the reds come before all the whites, and all the whites come before all the blues. (It may happen that there are no keys of one or two of the colors.) The only operations that are permitted on the keys are examination of a key to find out what color it is, and an exchange of two keys (specified by their indices). How many key examinations and exchanges does your algorithm perform in the worst case

Gabe wants to move text from one document to another document. he should copy the text, paste the text, and open the new document highlight the text, select the cut command, move to the new document, make sure the cursor is in the correct location, and select the paste command select the save as command, navigate to the new document, and click save highlight the text, open the new document, and press ctrl and v

When early motion pictures played in movie theaters, they were often accompanied by live organ or piano music. which of the following are the most likely reasons that this happened? (select all that apply). the music was provided to distract audience members from the loud sounds made when filmstrips were changed. the music accompanied the movies because the movies were silent and audiences were used to hearing music during plays in theaters. the music usually was played before, and sometimes after the movie, as an alternative form of entertainment. the music viewers to interpret the dramatic action in the films.

Has anyone seen my grandma shes been gone for 4 years already