Need this REALLY SOONMark gives up his part-time job with a salary of $12,000 per year to go to school for 4 years. The total cost of going to school is $68,000. If Mark wants to recover his investment in 4 years or less, what is the minimum salary he would need to earn upon getting his degree?

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