How many forwards and defensemen are on 6 teams

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Which of these lines passes through the point (1,-1) and has a slope of -3?

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.