Do yall have that one teacher who makes u turn yo camera on? (I blocked my face out) This is my math teacher

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?

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.