John had a stock of 1200 books in his bookshop. He sold 75 on Monday, 56 on Tuesday, 64 on Wednesday, 78 on Thursday and 135
on Friday. What percent of the books was still not sold?

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?

Find the product with the exponent in simplest form. then, identify the values of x and y. 6 ^ 1/ 3 • 6 ^ 1 /4 = 6 ^ x/ y

The ratio of the ages (in years) of three children is 2: 4: 5. the sum of their ages is 33. what is the age of each child?