Negative one would be the answer
Answer:
7.5
Step-by-step explanation:

8.4 inches
Explanation : The big line in the middle of 8 and 9 is equal to 8.5, but since there is a small unit that is missing, the answer is 8.4.
Answer:
scan it plz its really easy if you scan them
Answer:
its 40. hope this helps : )
Step-by-step explanation: