At the beginning of the year a blogger has 150 subscribers since then the number of subscribers to her blog has been doubling every 6 months thanks to some successful appearances on television by what factor is the number of subscribers increasing every month

What’s 8y+48 and factor each expression completely

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

Meee i honestly dont know what this question talking about