An equation is shown below: 6(2x – 11) + 15 = 3x + 12 part a: write the steps you will use to solve the equation, and explain each step. (6 points) part b: what value of x makes the equation true? (4 points)

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?