Paula wants to buy 3 shirts and 2 belts. the shirts cost $16.89 each, and the belts cost $8.97 each. paula has $45. which of these amounts is the best estimate of how much more money paula needs in order to buy the shirts and belts? a) $16 b) $10 c) $24 d) $5

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?