What's the greatest common factor of 129 and 86

James is playing his favorite game at the arcade. after playing the game 33 times, he has 88 tokens remaining. he initially had 2020 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

What number is 7 units left of -15?

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal