Factor.
2m2 + 7m - 9
please put it as (x-b)(x-b) form

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

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 function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?