Answer: (8,10)
Step-by-step explanation:
To go from A to C, we go right 2 units and up 6 units.
So, if we let the fourth vertex be D, then to go from B to D, we must also go right 2 units and up 6 units from B.
Therefore, the answer is (8, 10).
Answer: 11.8 km
Step-by-step explanation:
The resulting figure is a right angled triangle shown below

Answer:
Yes, it's a rational number
Step-by-step explanation:
-3/7. It is a rational because. It can be written as p/q form. Where p/q are non zero number. And in decimal it would be -0.42