Answer:
1/11
Step-by-step explanation:
(6, 4) and (-5, 3)
Slope:
m=(y2-y1)/(x2-x1)
m=(3-4)/(-5-6)
m= (-1)/(-11)
m = 1/11
Yes, we need the sisters age to find it the answer, not trying to be rude we just need the sisters age.
Answer: 
Step-by-step explanation:
You need to set up two cases (Positive case and negative case) and solve for "x".
- POSITIVE CASE IF: 

- NEGATIVE CASE IF: 

Therefore, the solution is:

Actually I didn't see the (-5, -27), the answer would be -2.