Apattern has five blue triangles to every 80 yellow triangles what is the ratio of blue triangles to all triangles

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan for ?

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?

Standard deviation of 19,29,21,22,23