2.) The vertices of quadrilateral ABCD are, A(-7,10), B(1,2), C(-14,2), and D(-14,2). A) Use slope calculations to classify the quadrilateral as parallelogram, rectangle, trapezoid, or quadrilateral. (4 points)

B) Use distance calculations to classify the quadrilateral as a parallelogram, rectangle, square, rhombus, or just a quadrilateral. (2 points)

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