Asystem of equations is shown below: equation a: 2c = d − 8 equation b: c = 3d 8 which of the following steps should be performed to eliminate variable d first? multiply equation b by 2. multiply equation a by 2. multiply equation b by 3. multiply equation a by −3.

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

What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?

He factorization of 8x3 – 125 is (2x – 5)(jx2 + kx + 25). what are the values of j and k?