Answer:
I think your question is not complete..
can you write the question in a way which will determine in what way you want your answer..
i mean from what to find x..
Area is given as 285cm
what is 15 cm for?
from here where is x given to find?
The answer is 3704, because, well it depends on his u work it out
B: (6,12,18,44,54)
I just did this and this was correct.