If some one has a circle that is 3 radius what is the diameter

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?

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

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?