Answer:
A would be 9 and I am not sure about B.
Step-by-step explanation:
when a number is in | | these lines then they will always come out positive.
1. 9
2. 5
the same way Pythagoras Theorem
and sorry for the hand writing
x= 53 and y= 143
x= 90-37
x= 53
y= 53+90
y= 143
