2. How much does Quality Plumbing charge for each hour of work, and what is the one-time fee? Explain or show
your reasoning.

2-digit numbers less than 91 which are 1 less than a multiple of 10

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? 37° 82° x°