<span>The book has sold 442,696 copies to date.
This was calculated by making a proportion: 8.9 : 39,400 = 100 : X where X Is the number of copies sold.
Then I calculated 39,400*100/8.9 to obtain the answer</span>
Answer:
x= -11
Step-by-step explanation:
Answer:
no it does not have an inverse. because the determinate is 0 and you can't find the inverse of 0
The formula for slope is

In this case...

^^^Plug these numbers into the formula for slope...

-------------------> Simplifies to -1
^^^This is your slope
Hope this helped!
~Just a girl in love with Shawn Mendes