PLEASE HELP As you can see in the photo I have been doing it but I don't know if it's okay, can you tell me if it's okay and if you can't help me do it 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?

Marya wants to factor the polynomial 36x^3 -22x^2 - 144x.which term can she add to the polynomial that would not change its grestest common factor? check all that apply

Asquare parking lot has 6,400 square meters what is the length in meters