Hat is the measurement of the angle shown below? An angle is measured with a protractor. The left ray of the angle is on 0 and the right ray of the angle is on 80.

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?

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

What’s -11-33k and factor each expression completely