Find the average rate of change of f(x)=2x^2-8x from x=2 to x=5. Simplify your answer as much as possible.

How long would it take for a ball dropped from the top of a 576-foot building to hit the ground? round your answer to two decimal places.

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?