Answer:
its A
Step-by-step explanation:
If its one of these signs(<>) then its open and if its one of the signs with the line under it then its closed
Number 15 is 80 i dont know about the others...sorry
1. 27
2. 13
hope you have a girldfriend
The answer to your question is -19
Hope this helps the answer is 2 1/8 the picture explains how i did it :)