There were 160 hours of sunshine in may. the sunshine hours increased to 180 in june.
find the percentage of hours increased ?
explain

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?

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

What is the measure of angle x? a.101 b.158 c.44 d.79