The department store where you work is having a sale. every item is to be marked down 30%. what will the sale price of a $53 sweater be?

Which graph represents the equation y =4x

Raj encoded a secret phrase using matrix multiplication. using a = 1, b = 2, c = 3, and so on, he multiplied the clear text code for each letter by the matrix to get a matrix that represents the encoded text. the matrix representing the encoded text is . what is the secret phrase? determine the location of spaces after you decode the text. yummy is the corn the tomato is red the corn is yummy red is the tomato

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.