Answer:
Step-by-step explanation:
Use the following formula:
slope: 
Let:

Plug in the corresponding numbers to the corresponding variables:

is your answer.
~
Answer:
X=®™✓©™[[
Step-by-step explanation:
¯\_༼ ಥ ‿ ಥ ༽_/¯
Answer:
answer is x=14.4.......,......
Answer:
+5 Range; The range is now 25
Step-by-step explanation:
The original range would be calculated by subtracting 20 from 40, giving you 20 as the range. However, with the point 15 added, there would be a new lowest number, making the new range be 40-15, which is 25.