Lisa read 1/3 of a book in the morning, and she read some more at night. By the end of the day, she still had 1/5
of the book left to read. How much of the book did Lisa read at night?

Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?

The parabola opens: y=√x-4 (principal square root) up down right left

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?