How many minutes does it take the duck to fly 1 kilometer?
Help and tysm

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.

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem