Write 0.31 as a simplified fraction

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

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.