Graph triangle RST with vertices R(4,4), S(5,1), and T(-1,-1) a. prove that triangle RST is a right triangle. clearly state which angle is the right angle.
b. find the perimeter of the triangle RST to the nearest tenth.
c. find the exact area of triangle RST.

What are the solutions to the following equation? |m| = 8.5 the value of m is equal to 8.5 and because each distance from zero is 8.5.

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

In a column proof the right column states your reasons