10
random words to fill up 20 character minimum for answering questions :P
Answer:
Step-by-step explanation:
.
m is the slope of the line. To find it we can do 
which is the difference between the y-coordinates divided by the difference between the x-coordinates.
So: 
. Now we have the slope, let's input a set of coordinates into the equation so that we can find the constant 
.
- Re-arranging to get b
Now re-write the equation as we have the constants.
Birmingham and Montgomery both have a state sales tax rate of 4 percent and a local tax rate of 6 percent – although the report notes that part of Birmingham lies in Shelby County, meaning the combined rate is only 9 percent in some parts of the city.
