Please help I'm so confused please find the fractions that are missing​

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Aline that intersects one of two parallel lines intersects the other also always sometimes never

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?