Alright. -2-(-4) = -2 + 4 because a negative and a negative equals to a positive[(-2-(-4)]. It would look like: Put a dot on -2, then move your dot 4 units to the right, which is +2.
Answer:
3 hours and 51 minutes
Step-by-step explanation:
Hope this helps!!
Answer:

Step-by-step explanation:
If it has 3 sides then it's a triangle.
Using the formula
where

and a=5 b=5 c=8
∴