9. The following series is arithmetics 8+13+18+*+138
(6) Determine the number of terms in this series. Show how you arrived at your answer.
(1) Determine the sum of this series. A numerical answer alone will earn at most one point.

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

Two parallel lines are crossed by a transversal. what is the value of x? x = 40 x = 70 x = 110 x = 130

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?