Answer:

Step-by-step explanation:
The formula of an area of a elipse:

We have:

Substitute:

703+620≈1320
first you have to round 703 to 700, because it's an estimation, then you can add 700 to 620, and it'll be easier than 703+620.
Answer:
3y=39 :3
y=13
Step-by-step explanation:
prove me wrong
Where is the graph? do you have a pic or website?