. Find the factors of (ϰ² - 25)

What is the approximate circumference of the circle shown below?

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

Ten times the square of a non-zero number is eqaul to ninety times the number