Chalene wants to cut her hair but is a little nervous. she decides to cut it off slowly so she can get used to it as it gets shorter. right now, her is is 11.5 inches past her shoulders. she decides to cut an inch and a half off her hair every week. write an expression to describe the length of her hair in relationship to her shoulders.

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

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?

Define the type of sequence below. 7, 14, 28, 56, 112, a. neither arithmetic nor geometric b. arithmetic c. both arithmetic and geometric d. geometric