Use the image below to describe at least three different ratios written in simplest form. Include at least one part-to-part rabo and one part-to-whole ratio

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?

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

What is the absolute value of the complex number -4-sqrt2i