Jan drank half a gallon of milk. she drank 1/5 of that. how much of the gallon did jan drink?

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?

£100.80 divided by 14 equals 7.2 how would we put this as money

Multiply and simplify. 2x2y3z2 · 4xy4x2 how to do?