The football coach wants to know the average number of points scored by the team in their last few games. the scores are listed below. 29,17,39,40,24,25,19,23 find the mean points scored. enter the number only in your answer. for example, if you found the mean was 29 , you would enter 29 .

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.

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.