The two trapezoids are similar which is the correct proportion for corresponding sides

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.

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

How do you determine if an ordered pair is a solution to a given equation?