Twelve decreased by 8 times a number is 36. find the number

The parking lot of a store has the shape shown. all angles are right angles. what is the area of the parking lot?

1. the following set of data represents the number of waiting times in minutes from a random sample of 30 customers waiting for service at a department store. 4 5 7 10 11 11 12 12 13 15 15 17 17 17 17 17 18 20 20 21 22 22 23 24 25 27 27 31 31 32 a. determine the number of classes and class interval.

What does the relationship between the mean and median reveal about the shape of the data