What is the distance of AB

Answer:
[tex]\sqrt{85}[/tex]
Step-by-step explanation:
Distance formula.
(-7, -2) (2, -4)
-7 minus 2, you get -9. Squared is 81.
-2 minus -4 gets you 2. Squared is 4.
Add 81 & 4. You get 85.
Square root 85, there's your answer.