Mr. Edwards has placed a 20 foot flagpole in his front yard. To help secure the poem he has strong wires 2 feet below the top of the flagpole to the ground. The wires are 19 feet long. About how far from the bottom of the flag pole do the wires reach the ground? Round to the nearest foot. PLEASE HURRY!

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answers

\3. yes the presentation (i.e. odd numbers being written as differences of two squares) is possible for all odd natural number however the presentation may not be unique. for example,  57=112−82=292−28257=112−82=292−282.

\4. 2 can't be written as a difference of two squares because 4-1=3 and 1-1=0 and the difference of squares grows to integers larger that 3.

can i get some in proving questions 1 and 2?

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the answer is b

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