Graph function g when the value h is -2.

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 the upper quartile in the box plot?

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup