Answer:
Step-by-step explanation:
B!!!!!!!!!! The answer is 200
EXPLANATION
Added sum is estimated to 200
Answer:

Step-by-step explanation:





I used the following rules:


Answer:
3.81
Step-by-step explanation:
- + -
- + -
- + -
If you were to go all ways on this chart↑ the rules would always be the same.
A negative plus a negative is a negative.
A negative plus a positive is a negative.
A positive plus a postitive is a positive.
Answer:
The number in the green box should be 3.
Step-by-step explanation:
