Tracey is taking a Biology class. In her class, quiz grades count twice as much as homework grades, and test grades count twice as much as quiz grades. She currently
has the following grades: Homework – 81, 77, 92; Quizzes – 75, 81; Test 82. She has one
more test to take. What must she score on the test to earn an 85% in the class?

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