In one study, it was found that the correlation coefficient between two variables is 0.97. which is true?

there is a weak positive association between the variables.
there is a weak negative association between the variables.
there is a strong negative association between the variables.
there is strong positive association between the variables.

answer:   expression= p+p*d%

price reduction + sale price = $625

sale price: $p+$p*d%

where d% is the percentage of discount

step-by-step explanation:

original price = p

price went down by $150 price reduction $p*d%

sale price= $ 475

therefore the price before sale is: $625

and the expression that shows the price before sale is: p+p*d%

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