Answer:
the answer is the first choice please mark me brainliest
The answer is the third one because it describes what they want
I’m not gay naanajajjajajajajajajjaka
Answer: 
Step-by-step explanation:
1. use the distance formula!

2. then using the distance formula with (2, 7) and (-6, -2) you get...




is the simplest radical form
:D
Answer:
Step-by-step explanation:
They are closed under addition, subtraction and multiplication.