Chase and Sara went to the candy store. Chase bought 8 pieces of fudge and 5 pieces of bubble gurn for a total of $5.25. Sara bought 3 pieces of fudge and 7 pieces of bubble gum and paid $2 less than Chase. Which system of equations could be used to
determine the cost of 1 piece of fudge, x, and 1 piece of bubble gum, y?

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?

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

How many terms does the polynomial x^2 y^2 have