Ii is the correct answer and try using photomath it helps ;)
It is D because if you look at the graph every 5 years the acres decrease by 20
4,000×0.035×2=280
.................
How you would solve it is by 8 multiplied by 4.
The formula B*H
So the answer is 32cm squared.
You can see that there are 6 rock CDs, over a total of

So, the ratio of rock CDs over the total number of CDs is

Which is 15%.
So, yes, the answer is A