Given the following data 4,6,8,12,14,x calculate x in each of the following cases

a)mode is 14
please help how cas i calculate the value of x if i have the mode

Which of the following is the rational exponent expression of 6 root f

Look at attachment. has all info needed. need

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?