20. If m<5 = x°, which angles have a
measure of 180 - Xº?

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?

How do i multiply two digit numbers

What is the approximate value of the correlation coefficient for the given graph? a. 1 b. 5 c. 3 d. -1