Can you help me I do not understand the questions in my Algebra 2 Class

Question

anonymous · Answer

I do not understand how to do 2, and 3. Can you please show me and help me understand


1. The number of students in your class.    23
2. The area of the circle A found by using the formula A = πr2
3. The elevation e of various land points in the United States measured to the nearest foot

mertsj · Answer

2.  Multiply the radius by itself and multiply that answer by pi
3.  The elevation would be the number of feet above sea level.  You would find it by looking it up in a book or finding a surveyor to measure it.

anonymous · Answer

Wait so can u give me a example for 2 @Mertsj

mertsj · Answer

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