Someone help me with this I don't understand 23,24,25,26,27,28, 29, and 30 Please. It's due tomorrow

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

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

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