Which expression is irrational the square root of 2 the square root of 4 the square root of 484 the square root of 529

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?

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

What is the total area of the figure?