Aboat goes upstream 25 km and down stream 33km togetherin 8
hours; it also goes upstream 40 km and down stream 77 km in
15hours. find the rate of the stream and of the boat.

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