1. Which of the following expressions is equivalent to (16y)??
1.
/164
II. 8/9
III. &
IV. 168 yi
A I only
B III and IV only
CII, III, and IV only
D I, II, and IV only

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.

Find the roots of the equation below. x^2 - 6 + 9 = 0

Find the x-intercepts of the parabola withvertex (1,1) and y-intercept (0,-3).write your answer in this form: (x1,if necessary, round to the nearest hundredth.