1) sara received 1,000 points on candy crush for beating level 5. she then spent 1200 points on a power up. explain how i would use a number line to answer this.
2) mark dove down 10 feet to look at a turtle, and then dove down 5 more feet to inspect some coral. explain how i would use a number line to answer this.

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?