Please help. I do not understand this problem. This is central angles/inscribed angles/finding the arc or angle indicated. I genuinely don’t know. I could use the help, thanks so much in advance

Find the third,fifth and seventh term sequence described by each rule a(n)=n+1

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude

Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a