sirens48 sirens48 20-12-2017 Mathematics contestada In 1994, school lunch at Rockwell High School was $1.20. In 1999, the cost increased to $2.25. Find the annual rate of change in the price for school lunch from 1994 to 1999. a. $0.18 per year c. $0.20 per year b. $0.21 per year d. $1.05 per year