9 because 18÷2=9
you can use models to help too
get 18 things and put them in 2 groups
Answer:
Maybe it could be 2x or X by the power of 2
Answer:
8 units
Step-by-step explanation:
it should be 8, EH is practically AD, if you match ABCD's letters and numbers with EFGH's. I hope this helps!
Vote my answer as the brainliest answer
Explanation: