Answer:
On April 30, 1789, George Washington, standing on the balcony of Federal Hall on Wall Street in New York, took his oath of office as the first President of the United States
Answer:

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<u>Remove the parentheses:</u>

<u>Combine like terms:</u>


<u>Multiply 3 and 5x = 15x:-</u>

<u>Combine like terms:</u>


<u>Expand: 3x-(2x-1)= x+1</u>

<u>Subtract 1 from both sides:</u>


<u>Add 9x to both sides:</u>


<u>Divide both sides by 10:</u>


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First of all, it is 2r

and it would be divide by 3.14 (pi) and then you should have the diameter. Then divide by 2 to find radius.
The answer is -16 radical 3
1)1.082*10^9
2)1.496*10^8
3)2.2794*10^8
4)7.784*10^5
5)1.4236*10^9
6)2.867*10^9
7)4.4884*10^9
Hope it helped!