CAN SOMEONE HELP ME ??! Question 10 Which of the following indicates the subtraction property of equality when solving the equation 4(x + 9) + 5 = 3x - 8? O4(x + 9) - 5 + 8 = 3x O4(x + 9) = 3x - 8 - 5 Ox= -49 4x+36 + 5 = 3x - 8

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables

Maren is buying carpet for her rectangular living room. the room is 4.8 yards wide and 5.2 yards long. how much carpet does she need to buy? enter your answer as a decimal in the box. yd2

The data set represents the ages of players in a chess club. 27, 34, 38, 16, 22, 45, 54, 60. what is the mean absolute deviation of the data set?