How to take a key off a keyboard without breaking it?

Under which key category do the page up and page down keys fall? page up and page down keys fall under the keys category.

This graph compares the cost of room and board at educational institutions in texas.

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.