Who won freefire championship plz say

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 of the following statements would be sufficient to prove that parallelograms pqrs is a rectangle ?

Ineed with question three. i don't understand how i'm supposed to achieve 3 marks.