Arianna correctly simplified an expression. when she substituted x=2 into simplified expression, the value was -4. which could be Ariannas original expression

Classify the following triangle check all that apply

Find an equation for the linear function which has slope -10 and x-intercept -7

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.