Set a={1,2,3,4,5,6} two numbers from set a are selected at random without replacement and their sum recorded how many different sums are possible

1. are the triangles similar and if so why? what is the value of x? show your work.

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

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