Complete the steps in order to write the inverse

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28

Someone me! if you’re smart you can solve this!

Determine if the outside temperature is a function of the time of day or if the time of day is a function of temperature and explain why or why not.