The burj khalifa, a building in dubai, united arab emirates, is about 828 meters tall. brody is making a scale model of this building, using the scale 500 meters : 1 meter. to the nearest tenth, how tall should brody's model of the burj khalifa be? enter your answer as a decimal in the box. hurry i need

The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?