On one day, the grocery store sold 13 bags of raisins, restocked the shelf with 20 bags, sold 19 more bags, restocked 31 bags, and sold 24 bags. There are 11 bags on the shelf now. How many bags of raisins were on the shelf at the start of the day?

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

10x − 5y + 14 = 0 whats the answer pls

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?