What is the next term in the arithmetic sequence below?
15, 8, 1, -6,...
A - 15
B - 13
C – 12
D 1

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

What is the percentile for data value 6 in the following data set? 4 13 8 6 4 4 13 6 4 13 2 13 15 5 9 4 12 8 6 13 40 25 35 62

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?