Please help me with this.

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?