I believe the answer is systems.
Answer:
The left button is used as the main clicking button that you use to select things and to double click. The right button is used to open contextual menus, which are pop-up menus that change depending where you click.
The answer is 2-to-the-power-of-n, since for every input, the number of different combinations doubles. From your list I think answer A is meant to indicate 2ⁿ.
Answer:
does anybody know this answer?
Explanation:
no nobody does
Answer:
System.out.println("My dog's name is \"dee-dee\"");
Explanation:
You need to use the backslash to use quotes inside a string.