10 !
noam chose 3 songs from a pile of 20 songs to play at a piano recital. what is the probability that she chose the entertainer, something doing, and the ragtime dance? (justify)

show your work, and if it is "favorable outcome" formula. answer.

27 is what percent of 108? 27 is % of 108

Two language majors, anna and megan, took exams in two languages. anna scored 85 on both exams. megan scored 74 on the first exam and 85 on the second exam. overall, student scores on the first exam had a mean of 82 and a standard deviation of 4, and the second exam scores had a mean of 71 and a standard deviation of 13. a) to qualify for language honors, a major must maintain at least an 85 average across all language courses taken. so far, which of anna and megan qualify? b) which student's overall performance was better?

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?