Randy had grades of 85,92,96, and 89 on his last four math test. what grade does he need on his next test to have an average of 92?

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.