Caley has a bag that contains 9 blue marbles and 13 yellow marbles. she selects a marble at random, and then, without replacing the first one, selects another marble at random. what is the probability that caley selects a blue marble and then a yellow marble? round your answer to the nearest percent. p(blue and yellow) ≈ %

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

Which statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?

What is the scale factor of two similar pyramids with volumes of 64 cubic feet and 8 cubic feet