Find the length of a line segment with endpoints of -9 and 7.
a.-16
b.-2
c.16
d.26

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 values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3