Where in the computer is a variable such as "X" stored?

When using a public computer or network, you should always

For her science class, elaine is creating a presentation on weather in the united states. she wants to make the presentation beautiful and interesting by drawing simple cloud or wave shapes. which is the best way for elaine to draw these shapes?

The head restraint should be adjusted so that it reaches a.the top of your ears b.the base of your skull c.the top of the head