A WordArt object cannot have a picture fill added to it

If a thread calls __________, then every thread waiting for the object becomes eligible to acquire the lock.

a. signalEach b. signalAll c. signal d. signalMethods

Given the following code snippet, what will be displayed on the web page?

``` var X = 23; var Y = 3; var Z = X + Y; document.write(Z); ``` a. 26 b. 233 c. NaN d. 23 3