Katie ordered a shirt online that cost her $26 total. The package arrived late so the seller took 37 percent off the price. How much did she end up paying!

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?

Find x to the nearest hundredth place

Anyone know? is appreciated! will mark brainliest if correct!