D is the answer to your question
Answer:
A=5/2a^2(5+2√5)
Step-by-step explanation:
So I dont have all the answers but I hope this helps:
a) (5,4) and (6,3)
b) (1,3), (2,4), (5,7), (6,8)
Im stuck in the last question, but I hope this helped you
It can make the data look misleading