Answer:
use the pythagoras theorem ok for 3rd side
i.e. (5.6)²+(3.9)²=c²

thats the slope, you can also get a decimal out of it
Answer:
A: 3
Step-by-step explanation:
Hopefully this helps!
Answer:
The length of AC = 4 and the length of A'C' = 1 so the scale factor is 1/4.