When alexis ross works overtime (and hours over 40 hours a week), she is paid 1.5 times her regular hourly rate. last week she worked 48 hours. if her regular hourly rate is $10.10, what did she earn last week?

Which of the following expressions are equivalent ?

What is the measure of angle tvu shown in the diagram below

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?