Please answer multiple choice no explain needed

Ki U : Comm: Total: 1 0 20 30 Knowledge! Understanding Multiple choice: Please circle the correct answer and put the appropriate letter in the blanks on the left 1. Order the following waves according to the length of their periods, from least to greatest. numb Ln 9' Wave B, Wave A, Wave C c. Wave C, Wave B, Wave A b. Wave C, Wave A, Wave B d. Wave B, Wave C, Wave A 2. Suppose the following graph represents a water slide that Charles goes down. He decides that he will ride the slide 4 times in a row. Assuming he goes down the slide at the same rate each time, which of the following is the most important to ensure that the water slide activity will be periodic? er' m [D g Nw-h main: one 123456'rsmfs) a. he does not take a 5 minute break after each trip down the slide b. he gets out of the pool as fast as possible each time c. he goes to get a drink after one of the trips (1. the time in between sliding stays the same 3. Liana is riding a Ferris wheel, where tis time in seconds. Suppose the Ferris wheel is 22 m tall. Let Mr) - 11 cos(121) represent her height in m above or below the centre of the Ferris wheel. Relative to the centre of the Penis wheel, what is the lowest height she achieves? a. 12 m c. -11 m b. 12 m d. 11 m