NEED HELP ASAP Joni climbed 230 feet up a hill and then rappelled down 300 feet into a valley PART A Write an addition expression to represent the situation PART B Evaluate the expression to determine. How far Joni was from where he started

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?

If benito is selecting samples of five values from the table, which row will result in the greatest mean? row 1 row 2 row 3 row 4

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer