Answer:
Step-by-step explanation:
.5
subtract 7 from 7.5 to get .5
to prove your answer subtract 8.5 from 9
subtract any from the left to the one to the immediate right to get .5
849.9 cm squared
Answer: -4
Step-by-step explanation: If you add all the numbers marked, -7 + -4 + -3 + 2 + 7 you will get -4.