TS is the midsegment of trapezoid HJKL. i need help

Given right triangle xyz, which correctly describes the locations of the sides in relation to

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

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