Solve for the missing arc.
answer options
48
21
138
84
42

Match each inequality to the number line that represents its solution

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?

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute