X = ? No work needed !

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

Solve the inequality and graph 6j - 7 < 5

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?