Which expression correctly represents "nine less than the quotient of a number and four, increased by three"?
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9-9

(x/4 + 3) - 9

Step-by-step explanation:

Break down each section of the question:

nine less is - 9

quotient(divison) of a number and four   x/4

increased by three  +3

let x be the number

(x/4 + 3) - 9

it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

step-by-step explanation:

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