Answer:
RS
Step-by-step explanation:
RS is the corresponding side to AB
Answer:

Step-by-step explanation:

Lets expand it.



Answer:
3/8
Step-by-step explanation
Convert 3/4 to 6/8 to make it easier subract since this problem asks how much he has left.
So 6/8-3/8=3/8
I believe the answer is 13, sorry if it is wrong