Help PLEASE

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

What is 32+4 x (16 x 1/2) -2 show your work}

Urgent? will give brainliest to the first correct answer what is the area of the figure?