Answer:
You need to attach the pictures and ask again.
Step-by-step explanation:
I cannot see any attachments.
-9 because 2+7=9 so the negative part oh then must be -9
Answer:
18
Step-by-step explanation:
Delta math
2 first class tickets
4 coach tickets
Answer:

Step-by-step explanation:
Segments are named by their endpoints. Therefore, segment PQ will have endpoints P and Q. The length of the segment is equal to the distance between these points.
To find the distance between P and Q given their coordinates, use the distance formula:

Let:

The distance between these points is equal to:
