There are 70 attendees, 45 are regular conference goers, 15 are new to the conference, and 10 are presenters. Six attendees are selected to serve as the welcome committee. Leaving your answers in combinatorics format, how many ways can at most two of the presenters be selected? g

Do 12/14 and 8/10 have the same value? explain your answer.

Closing a credit card usually _your debt ratio.a. increasesb. decreasesc. improvesd. has no effect on

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?