At a music store, the price of a set of speakers is $245, plus the sales tax of 6.5%. what is the total cost of the speakers, including the sales tax?

The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?

Neal buys a board game. he pays for the board game and pays $1.54 in sales tax. the sales tax rate is 5.5%. what is the original price of the board game, before tax

To diagonalize an nxn matrix a means to find an invertible matrix p and a diagonal matrix d such that a pdp d p ap or [1 3 dh epap 3 let a=-3 -5 -3 3 3 1 step 1: find the eigenvalues of matrix a "2's" step 2: find the corresponding eigenvectors of a step 3: createp from eigenvectors in step 2 step 4 create d with matching eigenvalues.