The sum of two numbers is 18. the difference of two numbers is -2. find the numbers

Determine the relationship of ab and cd given the following points

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x