Your middle school has 900 students. 1/3 of students bring their lunch instead of buying lunch at school. What is the value of the ratio of the number of students who do bring their lunch to the number of students who do not?

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