Let T: R^2âR^2 be the linear transformation which first reflects v in R^2 about the y-axis, and then rotates the resulting vector counterclockwise by 135 degrees. Describe (in a few sentences) a method to determine the matrix A for this transformation.

Which matrix multiplication is possible?

Convert 2000 swiss francs to dutch guilders

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.