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
3 4/5 because if 5 only goes into 19 3 times and then there is 4/5 left
Ln20+ln5=2ln x
ln(20*5) = ln x^2
ln 100 = ln x^2
100 = x^2
x = 10 second option
Answer:
0.2439
Step-by-step explanation: