Mark noticed that yesterday 6 times more students took part in the math lesson than did not attend, and today three more students did not come and now there are not a quarter of all students in the class. Calculate the total number of students in Mark’s class.

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?

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?