Which of the following is a factor of 8x2 + 21x + 10? 2x + 5 4x + 5 x + 2 none of the above

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?

What is the frequency of the sinusoidal graph?

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)