9. A detective figures that he has a one in nine chance of recovering stolen property. His out-of-pocket expenses for the investigation are $9,000. If he is paid his fee only if he
recovers the stolen property, what should he charge his clients in order to break even?

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8

-1   1/6.   you dont subtract the denominators

step-by-step explanation:

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.