Please help i need it asap :)

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

Is a positive integer raised to a negative power always positive

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept