1. At the school store, Juanita bought 2 books and a backpack for a total of $26 before tax. Each book cost $8 less than the backpack. Use b for book and p for backpack.
a. Write a system of equations that can be used to find the price of each book and the price of the
backpack.
b. Solve the system you wrote in part a using the substitution method.

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