I will also give brainliest on this one What’s the surface area of this round to the tenth if you have to

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

Proportions in triangles solve for x

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?