Answer:

Step-by-step explanation:
Given


Required
Determine the difference between the points
The difference is calculated as follows:



Answer: use desmos graphing calculator
Step-by-step explanation:
It’s either b or d. Hope this helps! :)
Answer:
-5
Step-by-step explanation:
The equation is in slope intercept form. 
8 replaces b, so it is the y-intercept.
-5 replaces m, so it is the slope.