you would change the denominators to the least common multiple, in this case, 12. then you would change the fractions to 8/12, 14/12, and 7/12. you would add those, and get 29/12. divide 29 by 12, and get 2. add the rest to get 2 5/12.
If this is all the information you have, it is not enough to conclude the region is square. we need more information
Answer:
B.) Agricultural advances
Step-by-step explanation: