If Jack borrowed $200 and repaid $226 altogether at the end of 2 years, what was the interest rate? Hint: Find the amount of interest from the repaid amount.

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.

Is this a polynomial function? i need to know asap

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0