Which of these procedures is the same as multiplying a whole number by 1,000?

a). add 1000 to the whole number, 3 times
b). multiply the whole number by 3, ten times
c). move the decimal point there places to the left and fill in the blank places with zeros
d). move each digit of the whole number three places to the left and fill in the blank with places with zeros

Answer these questions showing your work plz

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?

[15 points, algebra 2]simplify the complex fraction and find the restrictions.