Solve.To the nearest dollar, the average tuition at a public four-year college was 
in 1998 and 
in 1999. Use the ordered pairs (1998, 
) and (1999, $3414) to find and interpret the slope of the line representing the change in tuition (to the nearest dollar per year).
A. tuition increased $401 per year
B. tuition increased $390 per year
C. tuition increased $407 per year
D. tuition decreased $390 per year
Answer: B
Mathematics
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