Chris walked four miles due east. Then he turned north and walked one5 points more mile. To get back to his starting point, how many degrees Chris would have to turn to his left (from facing north)? How far would Chris have to walk to get back to his starting point?Round your answers to the nearest tenth. SHOW YOUR WORK. It might help if you draw a picture

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