PLSS HEL 1. Pedro had $14.90 in his wallet. He spent $1.25 on a drink. How much does he have left? (a) Estimate the answer by rounding to the nearest whole numbers before subtracting. Will your estimate be high or low? Explain.

(b) Find the difference. Show your work

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

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?