If f(x)=6x^2-4 and g(x) =2x+2,find (f-g) (x).

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?

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?