The math department purchases a photocopier for $4,500. Write an equation (in y=mx+b form) to model the value of the photocopier, y, in x years if the copier's value depreciates at a constant rate of $400 per year.

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?

What is the solution of log2  (3x  -  7)  =  3? 4 5

Find the distance between (0,5) & (-4,2)