Which of the following is not a way to represent the solution of the inequality
3(2x − 1) greater than or equal to 4(2x − 3) − 3?

x less than or equal to 6

6 greater than or equal to x a number line with a closed circle on 6 and shading to the left

a number line with a closed circle on 6 and shading to the right

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.

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

What is the value of x when x + 7 = 21?