Pedro fills a glass 2/4 full with orange juice. write a fraction with a denominator of 6 that is greater than 2/4.

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

Ineed ! the person who answers and shows their work on they got the answer first will be marked the !

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?