Help only right awnsers

Ineed with number 17 i don’t get it at alll

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number t of tokens james has is a function of g, the number of games he plays. write the function’s formula? t=