Walter used the iterative process to determine that √13 is between 3.61 and 3.62. Analyze Walter’s estimation. Is he correct? If not, what was his mistake?

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

If two lines form congruent alternate interior angles with a transversal, then the lines

Ireally don't understand this, i'm really an idiot but i want to know how to figure this out. !