Use a number line to represent and solve the following expression.
-
2+ 4- 6
-6
- 4
-2
0 2
4 6

41/2 - 1 1/3 what is the answer as a fraction?

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?

Write the expression as a single natural logarithm. 2 in a - 4 in y