Use the image below to answer the following question. Find the value of sin x° and cos y°.

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.

Combine like terms to make a simpler expression 3z+z

3x + 4y = 5 x- 3y = -7 solve by substitution