-20+1= -19
-19/2= -9.5
Check:
-9.5x2= -19
-19-1= -20
Answer:
The first or third one
Step-by-step explanation:
Associative property is where you can switch the place of the digits and it still have the same answer in the end.
Answer:
I am pretty sure the answer would be A.
it has 7 symmetry regular lines