PLS HELP ASAP, THANK YOU

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

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

Factor the monomial completely 42a3b3