The diameter is 16 so that is the answer<span />
The answer would be 1/4 or
i hope this answer helps!
The answer is 0.875 and you can simmplify
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We have 
, to find inverse switch y and x then solve for y.
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Hope this helps.
4%of 500 = 20
500 plus or minus 20 gives range as (480,520)
