A department store, on average, has daily sales of $154.87. The standard deviation of sales is $24.67. On Tuesday, the store sold $101.69 worth of goods. Find Tuesday's z score.

Find and simplify the difference of the golden ratio and its multiplicative inverse

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Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?