Compare the subtraction problems (6/8 - 5/8=1/8) and (6/9-7/9= -1/9) why is the answer to the first problem positive and the answer to the second problem is negative?

Josephine has a great garden with and area of 2x2 + x - 6 square feet

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?

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?