If A(-2 , 10) and B(4 , -2), then AB=?

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

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

What is the inverse of the function f(x) = 2x + 1?