If the lines are congruent it should be 2 because 4 should be double of x
Answer:the 3rd one
Step-by-step explanation:
If you subtract the equation 8.0-8.2=-0.2. If you were to do the opposite then you would answer the equation 8.2-8.0=0.2. So therefore you have two options, -0.2 or 0.2. Good luck!
3.14
This is typically what you would use but there are several other numbers after 3.14