Leslie is a biologist she is going to randomly select one animal from her lab to study . There are 5 salamanders , 3 crayfish, and 12 minnows in her lab . What is is the probability that the animal will be a salamander. ? Explain

Asequence {an} is defined recursively, with a1 = 1, a2 = 2 and, for n > 2, an = an-1 an-2 . find the term a241

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?

How to use order of operation in 20 divide by 4 multiply 5 = 1