Grace and ellie are in different geometry classes. there are only two geometry classes at their high school. two students are being picked to attend a special math competition, one student from each class. if there are 20 students in one class and 26 students in the other, find the probability that both grace and ellie will be picked to attend the competition. show all work to receive full credit for this question.

Karen will divide her garden into equal parts. she will plant corn in 8/12 of the garden. what is the lowest number of parts she can divide her garden into?

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd

If your score on your next statistics test is converted to a z score, which of these z scores would you prefer: minus2.00, minus1.00, 0, 1.00, 2.00? why? a. the z score of 2.00 is most preferable because it is 2.00 standard deviations above the mean and would correspond to the highest of the five different possible test scores. b. the z score of 0 is most preferable because it corresponds to a test score equal to the mean. c. the z score of minus2.00 is most preferable because it is 2.00 standard deviations below the mean and would correspond to the highest of the five different possible test scores. d. the z score of minus1.00 is most preferable because it is 1.00 standard deviation below the mean and would correspond to an above average