You want to be able to withdraw $40,000 each year for 30 years. Your account earns 8% interest. a) How much do you need in your account at the beginning? b) How much total money will you pull out of the account? c) How much of that money is interest? uestion Heln. Video Message instructor​

Plz hurry evaluate the expression a+b where a=8 and b=19

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.

What is the interquartile range (iqr) of the data set represented by this box plot?