English
when did home video game systems first become very popular?
a. in the late 1960s
b. in the mid-1970s
c. in the early 1990s
which of these best describes a corporation with a hierarchical structure?
a. different workers have specific roles and different levels of authority.
b. workers take on many different responsibilities and frequently change jobs.
c. workers who do their jobs well are frequently rewarded and given opportunities to advance.