Shannon and Piper are on the school golf team. Shannon buys 10 cheap golf balls and 7 expensive ones for $31.75. Piper buys 8 cheap and 5 expensive balls for $23.75. Write and solve a system of equations (using a 4-step solution) to find the prices of each of the two kinds of golf balls.

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?