Find the solution to the system. Write your solution as an ordered pair (x, y) with no spaces, no solution, or infinitely many. x-3y=7 and 3x-9y=21

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

Shannon drove for 540 minutes. if she traveled 65 miles per hour, how many total miles did she travel?

Which best explains why this triangle is or is not a right triangle ?