C.........................
The diameter is 48 feet. The radius is half of the diameter, so it is 24 feet. The area can be found using the formula pi r ^ 2. So, the area is 576 pi
1584 lightbulbs would be defective out of 4400
We can compare the two units or object performances by that.... even in the case of magnitude lower than zero....
Assignment: 
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Answer: 
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Explanation: 
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[ Step One ] Remove Parenthesis: (a) = a

[ Step Two ] Simplify 

[ Step Three ] Rewrite Equation

[ Step Four ] Simplify 

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