Im confused help ( i clicked one by mistake but just help me)

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

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

Find two consexutive odd integers such that the sum of their square is 650