The area of a triangle is 15 square centimeters. if all the dimensions of the triangle are multiplied by 5, what will be the area of the new figure? 75 cm2 150 cm2 375 cm2 625 cm2

Answer question above and explain each step : )

Can someone answer this question? : )

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