Lynn walked on a moving sidewalk at an airport walking in the same direction as a sidewalk she traveled at an average of 2.5 meters per second when she walked against the motion of the sidewalk she took 24 seconds longer to travel the same length averaging 1.3 m per second if lynn maintain the same walking pace in both directions what is the length of a moving sidewalk

Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list