A unit used in measuring distances at sea.
A double negative makes a positive
-9 - (-4) = -9 + 4 = -5
If you need help with geometry or any math go to the site and type in the equation and it can help you solve and it will show you how to get the answer.https://www.symbolab.com/solver/geometry-calculator/2%5Cleft(x%20%2B%203%5Cright)%20%3D%202x%20%2B%2...
All you have to do is find the relationships between the top and bottom and then find how they all r in common
Answer:

Step-by-step explanation:
In order to find the area of a circle we multiply π by the radius, and to find the radius of a circle we have to look at the line that stops directly in the middle of the circle.

Once we then have the radius, we simply multiply the radius, (with an exponent of 2) by π and then we will have our answer. Of course, round if needed.

Hope this helps.