15) Mrs Jones is planning a birthday party for next weekend and wants to rent an inflatable for the children. Party Pop-ups charges a $75 delivery fee and a $30/hour fee for the duration of the party. Incredible Inflatables
charges a $50 set up fee and $40/hour for the rental. After how many hours will the two companies charge the
same amount?

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?