Please answer all of them it's important​

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

Normal yağmur ile asit yağmuru arasındaki fark nedir

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?