At the start of a year, company XYZ's stock is $40 per share. At the end, the company's stock is $60 per share. What was the stock price's rate of return (percent increase)?

Zahra was given two data sets, one without an outlier and one with an outlier. data without an outlier: 15, 19, 22, 26, 29 data with an outlier: 15, 19, 22, 26, 29, 81

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression