Please answer the following question posted above. Asap :(

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Need same math paper but the back now i hope your able to read it cleary i need with hw

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