Lee earned some money from a summer job. he saved ¼ of the money and spent ⅓ of the rest on a t-shirt. he then spent the remaining money on some cds. what fraction of the money was spent on cds? show your work. if the t-shirt cost $12.50, how much money did lee earn on the summer job? show your work.

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

Hurrya vegetable garden and a surrounding path are shaped like a square that together are 11ft wide. the path is 2ft wide if one bag of gravel covers 9 square feet how many bags are needed to cover the path

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