A Ferris wheel that is 60 m in diameter makes a revolution every 80 seconds. The center of the wheel is 15 m above the ground. Which equation represent the graph that models the height in relation to time of the path the Ferris wheel makes. Assume the rider starts at the lowest point. A. h(t)=-30 cos(nt/40)+15 B. h(t)=30 cos(nt/80)+15 C. h(t)=30 sin(Tt/80)+15 D. h(t)=-30 sin(nt/80)+15 What is the height of the rider at 20 seconds? meters

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