-2.5 because a positives opposite is a negative.
Answer:
Step-by-step explanation:(4+7)-(1)
Answer:
It's 16 units. Just look at the lengths and how many times they are on a shape. The shape is a rectangle, which means there will be two of each length, so just add them all together. 6+6+2+2=16
I think the answer is letter C
