3super hard math questions ! evaluate the following: 42 ÷ (3 + 1). (5 points) 4 3 2 1 3. (01.02 lc) what is the simplified form of the following expression? (y8)(y2) (5 points) y10 y6 y16 y64 4. (01.02 mc) evaluate the following expression using the values given: find 5x − 3y − z if x = −2, y = 2, and z = −3 (5 points)

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