How do you know what row of Pascal's Triangle to use to expand a binomial?

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.

Factor k2 - 17k + 16. a.(k - 2)(k - 8) b.(k - 1)(k + 16) c.(k - 1)(k - 16)

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?