What is −5/6÷9/10?

−27/25

−4/3

−25/27

−3/4

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

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

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i