It is found that the number of married and single adults in a certain town are subject to the following statistics. suppose that x and y denote the number of married and single adults, respectively, in a given year (say as of january 1) and let m and s denote the corresponding numbers for the following year. complete parts a through d. 0.6xplus0.4yequalsm 0.1xplus0.9yequalss (a) write this system of equations in matrix form. nothing[start 2 by 1 matrix 1st row 1st column x 2nd row 1st column y endmatrix ]equals[start 2 by 1 matrix 1st row 1st column m 2nd row 1st column s endmatrix ]