Please help someone, give me correct answer to these 2 problems. I will mark you brainliest for the correct answer.

Please help

I need the answer to both pictures

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

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