Please help! I need an explanation on how to do this. Thank you :)
Suppose you are riding a Ferris Wheel that is 4 meters off the ground. The diameter of the Ferris Wheel is 16 meters. You are starting at the lowest height of 4 meters. The time taken to make one complete rotation is 8 minutes.
What is the equation?
What is the maximum, minimum, mid line, and amplitude?

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?

Study results indicate that the mean length of time people spend on a bus in a city is between 21.2 min and 24.5 min what is the study margin of the error?