Please help with all these questions ! These are due tomorrow and all help is appreciated!!

How do you divide 9/4 divided by 10/3

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

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 tt of tokens james has is a function of gg, the number of games he plays