The equation models the height "h" in centimeters after "t" seconds of a weight attached to the end of a spring that has been stretched and then released. h= 7cos(pi/3 t) a. solve the equation for t b. find the times at which the weight is first at a height of 1 cm, of 3 cm, and of 5 cm above the rest position. round your answers to the nearest hundredth. c. find the times at which the weight is at a height of 1 cm, of 3 cm, and of 5 cm below the rest position for the second time. round your answers to the nearest hundredth. explain each step! !

Amovie producer conducted a survey after the screening of his movie to find out how the film would be received by viewers from different age groups. the columns in the two-way table indicate the numbers of viewers who rated the film on a four-point scale: excellent, good, average, and poor. viewer's age group excellent good average poor marginal totals 16-25 52 42 12 7 113 26-35 33 50 5 9 97 36-45 58 12 28 34 132 which of these observations is supported by the data in the table? note: a rating of good or excellent means the audience liked the movie, while a rating of poor means the audience disliked the movie. a. the majority of the audience in the 26-35 age group disliked the movie. b. among those who liked the movie, the majority were in the oldest age group. c. among those who disliked the movie, the majority were in the 26-35 age group. d. the majority of the audience in the 16-25 age group liked the movie. e. the majority of the audience from all the age groups disliked the movie