Which of the following is not a valid variable name?

What would be outcome of the following expression?  (52 – 2) * 2

detail image link MATCH THE ABOVE LABELED ITEMS TO THEIR MUSCLES BELOW:

detail image link MATCH THE ABOVE LABEL TO THEIR LISTED MUSCLES BELOW:

detail image link MATCH THE ABOVE LABELED ITEMS TO THEIR RESPECTIVE PARTS BELOW:

image detail link MATCH THE ABOVE LABELED ITEMS TO THEIR MUSCLES BELOW:

detail image link MATCH THE ABOVE LABELED ITEM TO THEIR CORRECT DESCRIPTION:

This is a short essay question. Please type out your answer to the question below. What are phalanges and where do you find them on the body?

detail image link Match the above bones with their name or descriptions provided.

image detail Match the parts of the skull