Finding the slope using two points:
The formula for slope is
In this case you have the points (-3, 5) and (4, 5):
^^^Plug these numbers into the formula for slope...

0
^^^This is your slope
Hope this helped!
~Just a girl in love with Shawn Mendes
It would be $9 per hour all you have to do is divide 54 by 6 you get 9, unit rate is 1
I hope this helps