1. The slope intercept form is:

Where
is the slope of the line and
is the intercept with the y-axis.
2. To calculate the slope, you can use the following formula:

Where:

3. So:

4. Now you must find
. Substitute any of the given points into the equation and solve for
:

5. Therefore, the answer is the last option:
Answer:
The answer is 1 
The work is shown on the picture.
Step-by-step explanation: Hope this helps and mark brainliest if ya want :)!
The difference is 15 mph .
Answer:
8%
Step-by-step explanation:
If you subtract 1 times the original cost, the result is the tax rate:
27/25 - 1 = tax rate = (27 -25)/25 = 2/25 = 8/100 = 8%
The tax rate is 8%.