2(-15)= -30 +22=-52-55=107 (I think)
The reason is the gotter of the right angle is 12
→ 
8 and 10 can both be divided by 2. So, 8 ÷ 2 is 4 and 10 ÷ 2 is 5.
Hope this helps :)
-30 i believe. If it’s wrong sorry
Answer:
hmmm im not sure ill forward this to someone else.
Step-by-step explanation: