I think the answer might be $9
Answer:
AB ≈ 6.71
Step-by-step explanation:
Calculate the length using the distance formula
d = 
with (x₁, y₁ ) = A (- 1, 6) and (x₂, y₂ ) = B (5, 3)
AB = 
= 
= 
= 
= 
≈ 6.71 ( to 3 significant figures )
Anything that with a denominator that is a multiple of 4, for example:

,

,

,

, and so on.
Hope this helps you =)
Answer:
68 degrees
Step-by-step explanation:
Answer:
this right answer for this would be D