The cost per unit of the auto shop function is the slope of the function
87 represents the slope and the cost per tire purchased
The function is given as:

A linear function is represented as:

Where:
m represents the slope or the unit rate.
So, by comparison:

This means that 87 represents the slope and the cost per tire purchased
Read more about slopes at:
brainly.com/question/18576224
The first one is the answer to the first question.
the second one is the answer to the second question
Answer
45 dolloar
Step-by-step explanation:
Answer: 10
Step-by-step explanation:
it is the middle of all the numbers