Ellie's phone made a loud barking sound. She put down her book and picked up the phone. "Mike," she muttered under her breath. "That's the last time I let you adjust my phone settings." Then she took a look at the screen:
The image above contains a hidden question. Please enter the answer to the question below.
To deter guessing without thinking, we ask that you also solve the following simple arithmetic problem before checking your answer:
If x = 9, y = 2 and z = 9, what is x + y + z?