Where do i find the answer to my question?

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

Segment ab is shown on the graph. which shows how to find the x-coordinate of the point that will divide ab into a 2: 3 ratio using the formula