The row-echelon form of the augmented matrix of a system of equations is given. Find the solution of the system. 1 0 0 0 9/4
0 1 0 0 3/5
0 0 1 0 2/3
0 0 0 1 -9/5

In 2014, the three largest economies in the world were (listed in order, from largest): a) the u. s., china, germany. b) the u. s., china, japan. c) china, the u. s., japan. d) china, the u. s., germany.